(完整版)五年级解方程练习题180题有答案(最新整理).pdf

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1、.五年级解方程五年级解方程180180题有答案题有答案（1 1）(0.5+x)+x=9.82(0.5+x)+x=9.82（2 2）2(X+X+0.5)=9.82(X+X+0.5)=9.8（3 3）25000+x=6x25000+x=6x（4 4）3200=440+5X+X3200=440+5X+X（5 5）X-0.8X=6X-0.8X=6(6)12x-8x=4.8(6)12x-8x=4.8(7)7.5+2X=15(7)7.5+2X=15(8)1.2x=81.6(8)1.2x=81.6（7 7）x+5.6=9.4x+5.6=9.4(10)x-0.7x=3.6(10)x-0.7x=3.6(11)9

2、1x(11)91x1.31.3（1212）X+8.3=10.7X+8.3=10.7(13)(13)15x15x3 3(14)3x(14)3x8 81616(15)3x+9=27(15)3x+9=27(16)(16)18(x-2)=27018(x-2)=270(17)(17)12x=300-4x12x=300-4x(18)(18)7x+5.3=7.47x+5.3=7.4(19)(19)3x5=4.83x5=4.8(25)(25)0.5x+8=430.5x+8=43.(26)(26)6x-3x=186x-3x=18(27)(27)7(6.5+x)=87.57(6.5+x)=87.5（2828）0.

3、273x=0.350.273x=0.35(29)(29)1.8x=0.9721.8x=0.972(30)(30)x0.756=90 x0.756=90(31)(31)0.1(x+6)=3.30.40.1(x+6)=3.30.4(32)(32)(27.5-3.5)x=4(27.5-3.5)x=4(33)(33)9x-40=59x-40=5(34)(34)x5+9=21x5+9=21(35)(35)48-27+5x=3148-27+5x=31(36)(36)10.5+x+21=5610.5+x+21=56（3737）x+2x+18=78x+2x+18=78(38)(38)(200-x)5=30(2

4、00-x)5=30(39)(39)(x-140)70=4(x-140)70=4（4040）20-9x=220-9x=2(41)(41)x+19.8=25.8x+19.8=25.8(42(42）5.6x=33.65.6x=33.6（4343）9.8-x=3.89.8-x=3.8（4444）75.6x=12.675.6x=12.6（4545）5x+12.5=32.35x+12.5=32.3（4646）5(x+8)=1025(x+8)=102（4747）x+3x+10=70 x+3x+10=70（4848）3(x+3)=50-x+33(x+3)=50-x+3（4949）5x+15=605x+15=6

5、0（5050）3.5-5x=23.5-5x=2.（5151）0.37+4x=12.50.37+4x=12.5（5252）x1.5-1.25=0.75x1.5-1.25=0.75（5353）4x-1.36=2.64x-1.36=2.6（5454）6x+12.8=15.86x+12.8=15.8（5555）1502+3x=6901502+3x=690（5656）2x-20=42x-20=4（5757）3x+6=183x+6=18（5858）2(2.8+x)=10.42(2.8+x)=10.4（5959）(x-3)2=7.5(x-3)2=7.5（6060）13.2x+9x=33.313.2x+9x=

6、33.3（6161）3x=x+1003x=x+100（6262）x+4.8=7.2x+4.8=7.2（6363）6x+18=486x+18=48（6464）3(x+2.1)=10.53(x+2.1)=10.5（6565）12x-9x=8.712x-9x=8.7（6666）13(x+5)=16913(x+5)=169（6767）2x-97=34.22x-97=34.2（6868）3.4x-48=26.83.4x-48=26.8（6969）42x+25x=13442x+25x=134（7070）1.5(x+1.6)=3.61.5(x+1.6)=3.6（7171）2(x-3)=5.82(x-3)=5

7、.8（7272）65x+7=13765x+7=137（73)9x+42.573)9x+42.59191(74)4.2 x+2.5x(74)4.2 x+2.5x134134(75)10.5x+6.5x=51(75)10.5x+6.5x=51.(76)89x-43x=9.2(76)89x-43x=9.2(77)5x-45=100(77)5x-45=100(78)1.2x-0.5x=6.3(78)1.2x-0.5x=6.3(79)23.4=2x(79)23.4=2x(80)4x-x=48.6(80)4x-x=48.6(81)4.5x-x=28(81)4.5x-x=28(82)X-5.7=2.15(8

8、2)X-5.7=2.15（8383）5X-2X=185X-2X=18（8484）3X+0.7=73X+0.7=7（85)3.52=4.2+x85)3.52=4.2+x(86)261.5=2x+10(86)261.5=2x+10(87)0.516(87)0.516 160.2=4x160.2=4x(88)13 9.25(88)13 9.25X=0.403X=0.403(89)18.9X=0.3(89)18.9X=0.3(90)23x=14x(90)23x=14x2727(91)x(91)x14x=7514x=75(92(92）95955x5x8080（9393）1.8+6x1.8+6x5454（

9、94)6.7x94)6.7x60.360.36.76.7(95)9(95)94x4x5353(96)2x+8=16(96)2x+8=16(97)20 x-14x=24(97)20 x-14x=24(98)(98)x+7x=8x+7x=8(99)(99)9x-3x=69x-3x=6.(100(100）6x-8=46x-8=4（101101）5x+x=95x+x=9（102102）8x-8=6x8x-8=6x（103)103)45x=20 x=20(104)(104)2x-6=122x-6=12(105(105）7x+7=147x+7=14（106106）6x-6=06x-6=0（107107）5

10、x+6=115x+6=11（108108）2x-8=102x-8=10（109109）2.5x-8=42.5x-8=4（110110）x-x-34=7=7(111)3x+7=28(111)3x+7=28(112)3x-7=26(112)3x-7=26(113)9x-x=16(113)9x-x=16(114)24x+x=50(114)24x+x=50(115)1.2x-8=4(115)1.2x-8=4(116)3x-8=31(116)3x-8=31(117)6x+6=12(117)6x+6=12(118)3x-3=3(118)3x-3=3(119)5x-3x=4(119)5x-3x=4(120)

11、2x+16=19(120)2x+16=19(121)5x+8=19(121)5x+8=19(122)14-6x=8(122)14-6x=8(123)15+6x=27(123)15+6x=27(124)5-8x=4(124)5-8x=4.(125)7x+8=15(125)7x+8=15(126)(126)9-2x=19-2x=1(127)4+5x=9(127)4+5x=9(128)10-x=8(128)10-x=8(129)8x+9=17(129)8x+9=17(130)9+6x=15(130)9+6x=15(131)(131)x+9x=4+7x+9x=4+7(132)2x+9=17(132)2

12、x+9=17(133)(133)8-4x=68-4x=6(134)6x-7=28(134)6x-7=28(135)7x-9=20(135)7x-9=20(136)x-56=1(136)x-56=1(137)8-7x=1(137)8-7x=1(138)x-30=12(138)x-30=12(139)6x-21=21(139)6x-21=21(140)6x-3=6(140)6x-3=6(141)9x=18(141)9x=18(142)4x-18=14(142)4x-18=14(143)5x+9=11(143)5x+9=11(144)(144)17-2x=1117-2x=11(145)(145)x+

13、4+8=23x+4+8=23(146)(146)7x-12=97x-12=9(147)(147)X-5.7=2.15X-5.7=2.15(148)(148)5X-2X=185X-2X=18.(149)3X+0.5=5(149)3X+0.5=5(150)3.52=4 x(150)3.52=4 x(151)261.5=2x(151)261.5=2x(152)0.516(152)0.516 160.1=4x160.1=4x(153)(153)9.269.26X=0.402X=0.402(154)36.9X=0.3(154)36.9X=0.3(155)X0.5=2.6(155)X0.5=2.6(156

14、)93(156)935x5x8080(157)180-6x(157)180-6x5454(158)9(158)94x4x4040(159)0.2x(159)0.2x0.40.40.50.53.73.7(160)9.4x(160)9.4x0.4x0.4x16.216.2(161)92(161)924x4x2020(162)7x6=1.4(162)7x6=1.4(163)16x(163)16x34x=134x=1(164)18x(164)18x14x=1214x=12(165)3 x(165)3 x4214=154214=15(166)12(166)124x=564x=56(167)22(167)

15、2214x=1214x=12(168)X+8.3=10.7(168)X+8.3=10.7(169)5x(169)5x 3030(170)x-5.6=9.4(170)x-5.6=9.4(171)x0.8=90(171)x0.8=90(172)3x(172)3x8 81616.(173)3x+9=27(173)3x+9=27(174)5.3+7x=7.4(174)5.3+7x=7.4(175)3x5=4.8(175)3x5=4.8(176)X-0.8X=6(176)X-0.8X=6(177)12x+8x=4.8(177)12x+8x=4.8(178)7(x-2)=49(178)7(x-2)=49五

16、年级解方程五年级解方程180180题答案题答案（1 1）(0.5+x)+x=9.82(0.5+x)+x=9.82(179)48+2x=36(179)48+2x=36(180)(x-2)3=7(180)(x-2)3=7(181)x5+9=21(181)x5+9=21(182)(300-x)5=30(182)(300-x)5=30(183)91x(183)91x 1.31.3(184)(184)41-3x=1741-3x=170.5+2x=4.90.5+2x=4.90.5+2x-0.5=4.9-0.50.5+2x-0.5=4.9-0.5.2x=4.42x=4.42x2=4.422x2=4.42X=

17、2.2X=2.2（2 2）2(X+X+0.5)=9.82(X+X+0.5)=9.82x+2x+1=9.82x+2x+1=9.84x+1-1=9.8-14x+1-1=9.8-14x=8.84x=8.84x4=8.844x4=8.84X=2.2X=2.2（3 3）25000+x=6x25000+x=6x25000+x-x=6x-x25000+x-x=6x-x5x=250005x=250005x5=2500055x5=250005X=5000X=5000（4 4）3200=440+5X+X3200=440+5X+X6x+440=32006x+440=32006x+450-450=3200-4406x

18、+450-450=3200-4406x=27606x=27606x6=276066x6=27606X=460X=460（5 5）X-0.8X=6X-0.8X=60.2x=60.2x=60.2x0.2=60.20.2x0.2=60.2X=30X=30(6)12x-8x=4.8(6)12x-8x=4.84x=4.84x=4.84x4=4.844x4=4.84X=1.2X=1.2(7)7.5+2X=15(7)7.5+2X=152x+7.5-7.5=15-7.52x+7.5-7.5=15-7.52x=7.52x=7.52x2=7.522x2=7.52X=3.75X=3.75(8)(8)1.2x=81.

19、61.2x=81.61.2x1.2=81.61.21.2x1.2=81.61.2X=68X=68(9)x+5.6=9.4(9)x+5.6=9.4X+5.6-5.6=9.4-5.6X+5.6-5.6=9.4-5.6X=3.8X=3.8(10)x-0.7x=3.6(10)x-0.7x=3.60.3x=3.60.3x=3.60.3x0.3=3.60.30.3x0.3=3.60.3X=12X=12(11)91x(11)91x1.31.391xx=1.3x91xx=1.3x1.3x=911.3x=911.3x1.3=911.31.3x1.3=911.3X=70X=70.(12)(12)X+8.3=10.

20、7X+8.3=10.7X+8.3-8.3=10.7-8.3X+8.3-8.3=10.7-8.3X=2.4X=2.4(13)(13)15x15x3 315x15=31515x15=315X=0.2X=0.2(14)3x(14)3x8 816163x-8+8=16+83x-8+8=16+83x=243x=243x3=2433x3=243X=8X=8(15)3x+9=27(15)3x+9=273x+9-9=27-93x+9-9=27-93x=183x=183x3=1833x3=1833x=63x=6(16)(16)18(x-2)=27018(x-2)=27018x-36=27018x-36=2701

21、8x-36+36=270+3618x-36+36=270+3618x=30618x=30618x18=3061818x18=30618X=17X=17(17)(17)12x=300-4x12x=300-4x12x+4x=300-4x+4x12x+4x=300-4x+4x16x=30016x=30016x16=3001616x16=30016X=18.75X=18.75(18)(18)7x+5.3=7.47x+5.3=7.47x+5.3-5.3=7.4-5.37x+5.3-5.3=7.4-5.37x=2.17x=2.17x7=2.177x7=2.17X=0.3X=0.3(19)(19)3x5=4

22、.83x5=4.83x55=4.853x55=4.853x=243x=243x3=2433x3=243X=8X=8(20)(20)30 x+25=8530 x+25=8530 x+25-25=85-2530 x+25-25=85-2530 x=6030 x=6030 xx=60 x30 xx=60 x30=60 x30=60 x60 x60=306060 x60=3060X=0.5X=0.5(21)(21)1.48-2x=61.48-2x=611.2-2x+2x=6+2x11.2-2x+2x=6+2x11.2=6+2x11.2=6+2x.2x+6-6=11.2-62x+6-6=11.2-62x

23、=5.22x=5.22x2=5.222x2=5.22X=2.6X=2.6(22)(22)6x-12.83=0.066x-12.83=0.066x-38.4=0.066x-38.4=0.066x=38.466x=38.466x6=38.4666x6=38.466X=6.41X=6.41(23)(23)410-3x=170410-3x=170410-3x+3x=170+3x410-3x+3x=170+3x170+3x=410170+3x=4103x+170-170=410-1703x+170-170=410-1703x=2403x=2403x3=24033x3=2403X=80X=80(24)(2

24、4)3(x+0.5)=213(x+0.5)=213x+1.5=213x+1.5=213x+1.5-1.5=21-1.53x+1.5-1.5=21-1.53x=19.53x=19.53x3=19.533x3=19.53X=6.5X=6.5(25)(25)0.5x+8=430.5x+8=430.5x+8-8=43-80.5x+8-8=43-80.5x=350.5x=350.5x0.5=350.50.5x0.5=350.5X=70X=70(26)(26)6x-3x=186x-3x=183x=183x=183x3=1833x3=183X=6X=6(27)(27)7(6.5+x)=87.57(6.5+x

25、)=87.57x+45.5=87.57x+45.5=87.57x+45.5-45.5=87.5-45.57x+45.5-45.5=87.5-45.57x=427x=427x7=4277x7=427X=6X=6(28)(28)0.273x=0.350.273x=0.35x=0.2730.35x=0.2730.35X=0.78X=0.78(29)(29)1.8x=0.9721.8x=0.9721.8x1.8=0.9721.81.8x1.8=0.9721.8X=0.54X=0.54(30)(30)x0.756=90 x0.756=90 x0.7560.756=900.756x0.7560.756=9

26、00.756.X=68.04X=68.04(31)(31)0.1(x+6)=3.30.40.1(x+6)=3.30.40.1x+0.6=1.320.1x+0.6=1.320.1x+0.6-0.6=1.32-0.60.1x+0.6-0.6=1.32-0.60.1x=0.720.1x=0.720.1x0.1=0.720.10.1x0.1=0.720.1X=7.2X=7.2(32)(32)(27.5-3.5)x=4(27.5-3.5)x=424x=424x=4x=244x=244X=6X=6(33)(33)9x-40=59x-40=59x-40+40=5+409x-40+40=5+409x=459x

27、=459x9=4599x9=459X=5X=5(34)(34)x5+9=21x5+9=21x5+9-9=21-9x5+9-9=21-9x5=12x5=12x55=125x55=125X=60X=60(35)(35)48-27+5x=3148-27+5x=315x+21-21=31-215x+21-21=31-215x=105x=105x5=1055x5=105X=2X=2(36)(36)10.5+x+21=5610.5+x+21=56x+31.5-31.5=56-31.5x+31.5-31.5=56-31.5x=24.5x=24.5(37)(37)x+2x+18=78x+2x+18=783x+

28、18-18=78-183x+18-18=78-183x=603x=603x3=6033x3=603X=20X=20(38)(38)(200-x)5=30(200-x)5=30(200-x)55=305(200-x)55=305200-x=150200-x=150200-x+x=150+x200-x+x=150+x150+x=200150+x=200X+150-150=200-150X+150-150=200-150X=50X=50(39)(39)(x-140)70=4(x-140)70=4(x-140)7070=470(x-140)7070=470X-140=280X-140=280X-140

29、+140=280+140X-140+140=280+140X=420X=420（4040）20-9x=220-9x=2.9x=20-29x=20-29x=189x=189x9=1899x9=189X=2X=2(41)(41)x+19.8=25.8x+19.8=25.8X+19.8-19.8=25.8-19.8X+19.8-19.8=25.8-19.8X=6X=6(42(42）5.6x=33.65.6x=33.65.6x5.6=33.65.65.6x5.6=33.65.6X=6X=6（4343）9.8-x=3.89.8-x=3.89.8-x+x=3.8+x9.8-x+x=3.8+x3.8+x=9

30、.83.8+x=9.8X=9.8-3.8X=9.8-3.8X=6X=6（4444）75.6x=12.675.6x=12.6X=75.612.6X=75.612.6X=6X=6（4545）5x+12.5=32.35x+12.5=32.35x+12.5-12.5=32.3-12.55x+12.5-12.5=32.3-12.55x=19.85x=19.85x5=19.855x5=19.85X=3.96X=3.96（4646）5(x+8)=1025(x+8)=1025x+40=1025x+40=1025x+40-40=102-405x+40-40=102-405x=625x=625x5=6255x5=

31、625X=12.4X=12.4（4747）x+3x+10=70 x+3x+10=704x+10=704x+10=704x+10-10=70-104x+10-10=70-104x=604x=604x4=6044x4=604X=15X=15（4848）3(x+3)=50-x+33(x+3)=50-x+33x+9=53-x3x+9=53-x3x+x+9-9=53-x+x-93x+x+9-9=53-x+x-94x=444x=444x4=4444x4=444X=11X=11（4949）5x+15=605x+15=605x+15-15=60-155x+15-15=60-155x=455x=45.5x5=4

32、555x5=455X=9X=9（5050）3.5-5x=23.5-5x=23.5-5x+5x=2+5x3.5-5x+5x=2+5x5x+2=3.55x+2=3.55x+2-2=3.5-25x+2-2=3.5-25x=1.55x=1.55x5=1.555x5=1.55X=0.3X=0.3（5151）0.37+4x=12.50.37+4x=12.54x+2.1=12.54x+2.1=12.54x+2.1-2.1=12.5-2.14x+2.1-2.1=12.5-2.14x=10.44x=10.44x4=10.444x4=10.44X=2.6X=2.6（5252）x1.5-1.25=0.75x1.5-

33、1.25=0.75x1.5-1.25+1.25=0.75+1.25x1.5-1.25+1.25=0.75+1.25x1.5=2x1.5=2x1.51.5=21.5x1.51.5=21.5X=3X=3（5353）4x-1.36=2.64x-1.36=2.64x-1.36+1.36=2.6+1.364x-1.36+1.36=2.6+1.364x=10.44x=10.44x4=10.444x4=10.44X=2.6X=2.6（5454）6x+12.8=15.86x+12.8=15.86x+12.8-12.8=15.8-12.86x+12.8-12.8=15.8-12.86x=36x=36x6=366

34、x6=36X=0.5X=0.5（5555）1502+3x=6901502+3x=6903x+300=6903x+300=6903x+300-300=690-3003x+300-300=690-3003x=3903x=3903x3=39033x3=3903X=130X=130（5656）2x-20=42x-20=42x-20+20=4+202x-20+20=4+202x=242x=242x2=2422x2=242X=12X=12（5757）3x+6=183x+6=183x+6-6=18-63x+6-6=18-63x=123x=123x3=1233x3=123X=4X=4.（5858）2(2.8+

35、x)=10.42(2.8+x)=10.45.6+2x=10.45.6+2x=10.42x+5.6-5.6=10.4-5.62x+5.6-5.6=10.4-5.62x=4.82x=4.82x2=4.822x2=4.82X=2.4X=2.4（5959）(x-3)2=7.5(x-3)2=7.5（x-3x-3）22=7.5222=7.52X-3=15X-3=15X=18X=18（6060）13.2x+9x=33.313.2x+9x=33.322.2x=33.322.2x=33.322.2x22.2=33.322.222.2x22.2=33.322.2X=1.5X=1.5（6161）3x=x+1003x

36、=x+1003x-x=x-x+1003x-x=x-x+1002x=1002x=1002x2=10022x2=1002X=50X=50（6262）x+4.8=7.2x+4.8=7.2X=7.2-4.8X=7.2-4.8X=2.4X=2.4（6363）6x+18=486x+18=486x+18-18=48-186x+18-18=48-186x=306x=306x6=3066x6=306x=5x=5（6464）3(x+2.1)=10.53(x+2.1)=10.53x+6.3=10.53x+6.3=10.53x=10.5-6.33x=10.5-6.33x=4.23x=4.23x3=4.233x3=4.

37、23X=1.4X=1.4（6565）12x-9x=8.712x-9x=8.73x=8.73x=8.73x3=8.733x3=8.73X=2.9X=2.9（6666）13(x+5)=16913(x+5)=16913x+65=16913x+65=16913x+65-65=169-6513x+65-65=169-6513x=10413x=10413x13=1041313x13=10413X=8X=8（6767）2x-97=34.22x-97=34.22x-97+97=34.2+972x-97+97=34.2+972x=131.22x=131.22x2=131.222x2=131.22.X=65.6X

38、=65.6（6868）3.4x-48=26.83.4x-48=26.83.4x-48+48=26.8+483.4x-48+48=26.8+483.4x=74.83.4x=74.83.4x3.4=74.83.43.4x3.4=74.83.4X=22X=22（6969）42x+25x=13442x+25x=13467x=13467x=13467x67=1346767x67=13467X=2X=2（7070）1.5(x+1.6)=3.61.5(x+1.6)=3.61.5x+2.4=3.61.5x+2.4=3.61.5x=3.6-2.41.5x=3.6-2.41.5x=1.21.5x=1.21.5x1

39、.5=1.21.51.5x1.5=1.21.5X=0.8X=0.8（7171）2(x-3)=5.82(x-3)=5.82x-6=5.82x-6=5.82x-6+6=5.8+62x-6+6=5.8+62x=11.82x=11.82x2=11.822x2=11.82X=5.9X=5.9（7272）65x+7=13765x+7=13765x+7-7=137-765x+7-7=137-765x=13065x=13065x65=1306565x65=13065X=2X=2（73)9x+42.573)9x+42.591919x+10=919x+10=919x+10-10=91-109x+10-10=91-

40、109x=819x=819x9=8199x9=819X=9X=9(74)4.2 x+2.5x(74)4.2 x+2.5x1341346.7x=1346.7x=1346.7x6.7=1346.76.7x6.7=1346.7X=20X=20(75)10.5x+6.5x=51(75)10.5x+6.5x=5117x=5117x=5117x17=511717x17=5117X=3X=3(76)89x-43x=9.2(76)89x-43x=9.246x=9.246x=9.246x46=9.24646x46=9.246X=0.2X=0.2.(77)5x-45=100(77)5x-45=1005x-45+4

41、5=100+455x-45+45=100+455x=1455x=1455x5=14555x5=1455X=29X=29(78)1.2x-0.5x=6.3(78)1.2x-0.5x=6.30.7x=6.30.7x=6.30.7x0.7=6.30.70.7x0.7=6.30.7X=9X=9(79)23.4=2x(79)23.4=2x2x2=23.422x2=23.42X=11.7X=11.7(80)4x-x=48.6(80)4x-x=48.63x=48.63x=48.63x3=48.633x3=48.63X=16.2X=16.2(81)4.5x-x=28(81)4.5x-x=283.5x=283.

42、5x=283.5x3.5=283.53.5x3.5=283.5X=8X=8(82(82）X-5.7=2.15X-5.7=2.15X=5.7+2.15X=5.7+2.15X=7.85X=7.85（8383）5X-2X=185X-2X=183x=183x3=1833x3=183X=6X=6（8484）3X+0.7=73X+0.7=73x+0.7-0.7=7-0.73x+0.7-0.7=7-0.73x=6.33x=6.33x3=6.333x3=6.33X=2.1X=2.1（85)3.52=4.2+x85)3.52=4.2+x4.2+x=74.2+x=7X=7-4.2X=7-4.2X=2.8X=2.8

43、(86)261.5=2x+10(86)261.5=2x+102x+10=392x+10=392x+10-10=39-102x+10-10=39-102x=292x=292x2=2922x2=292X=14.5X=14.5(87)0.516(87)0.516 160.2=4x160.2=4x4x=4.84x=4.84x4=4.844x4=4.84X=1.2X=1.2(88)13 9.25(88)13 9.25X=0.403X=0.403X=139.25-0.403X=139.25-0.403.X=138.847X=138.847(89)18.9X=0.3(89)18.9X=0.3X=18.90.

44、3X=18.90.3X=63X=63(90)23x=14x(90)23x=14x272723x-14x=14x-14x+2723x-14x=14x-14x+279x=279x=279x9=2799x9=279X=3X=3(91)x(91)x14x=7514x=7515x=7515x=7515x15=751515x15=7515X=5X=5(92(92）95955x5x808095-5x+5x=80+5x95-5x+5x=80+5x5x+80=955x+80=955x+80-80=95-805x+80-80=95-805x=155x=15X=3X=3（9393）1.8+6x1.8+6x54546

45、x=54-1.86x=54-1.86x=52.26x=52.26x6=52.266x6=52.26X=8.7X=8.7（94)6.7x94)6.7x60.360.36.76.76.7x=60.3+6.76.7x=60.3+6.76.7x=676.7x=676.7x6.7=676.76.7x6.7=676.7X=10X=10(95)9(95)94x4x53534x=53-94x=53-94x=444x=444x4=4444x4=444X=11X=11(96)2x+8=16(96)2x+8=162x=16-82x=16-82x=82x=82x2=822x2=82X=4X=4(97)20 x-14x

46、=24(97)20 x-14x=246x=246x=246x6=2466x6=246X=4X=4(98)x+7x=8(98)x+7x=88x=88x=8X=1X=1(99)9x-3x=6(99)9x-3x=66x=66x=6.X=1X=1(100(100）6x-8=46x-8=46x-8+8=4+86x-8+8=4+86x=126x=12X=2X=2（101101）5x+x=95x+x=96x=96x=96x6=966x6=96x=1.5x=1.5（102102）8x-8=6x8x-8=6x8x-8+8=6x+88x-8+8=6x+88x-6x=6x-6x+88x-6x=6x-6x+82x=8

47、2x=82x2=822x2=82X=4X=4（103)103)45x=20 x=20445xx45=20=205X=25X=25(104)(104)2x-6=122x-6=122x-6+6=12+62x-6+6=12+62x=182x=182x2=1822x2=182X=9X=9(105(105）7x+7=147x+7=147x+7-7=14-77x+7-7=14-77x=77x=77x7=777x7=77X=1X=1（106106）6x-6=06x-6=06x-6+6=0+66x-6+6=0+66x=66x=6X=1X=1（107107）5x+6=115x+6=115x+6-6=11-65x

48、+6-6=11-65x=55x=5X=1X=1（108108）2x-8=102x-8=102x-8+8=10+82x-8+8=10+82x=182x=18X=9X=9（109109）2.5x-8=42.5x-8=42.5x-8+8=4+82.5x-8+8=4+82.5x=122.5x=122.5x2.5=122.52.5x2.5=122.5X=4.8X=4.8（110110）x-x-34=7=7X-X-34+34=7+=7+34X=7.75X=7.75.（111111）3x+7=283x+7=283x+7-7=28-73x+7-7=28-73x=213x=213x3=2133x3=213X=7

49、X=7(112)(112)3x-7=263x-7=263x-7+7=26+73x-7+7=26+73x=333x=333x3=3333x3=333X=11X=11(113)9x-x=16(113)9x-x=168x=168x8=1688=168X=2X=2(114)24x+x=50(114)24x+x=5025x=5025x=5025x25=502525x25=5025X=2X=2(115)1.2x-8=4(115)1.2x-8=41.2x-8+8=4+81.2x-8+8=4+81.2x=121.2x=121.2x1.2=121.21.2x1.2=121.2X=10X=10(116)3x-8=

50、31(116)3x-8=313x-8+8=31+83x-8+8=31+83x=393x=393x3=3933x3=393X=13X=13(117)6x+6=12(117)6x+6=126x+6-6=12-66x+6-6=12-66x=66x=6X=1X=1(118)3x-3=3(118)3x-3=33x-3+3=3+33x-3+3=3+33x=63x=63x3=633x3=63X=2X=2(119)5x-3x=4(119)5x-3x=42x=42x=42x2=422x2=42X=2X=2(120)2x+16=19(120)2x+16=192x+16-16=19-162x+16-16=19-16