1解一元一次方程的练习题解下列方程:(每题4分)(1)3(x-2)=2-5(x-2)(2)2(x+3)-5(1-x)=3(x-1)(3)3(1)2(2)23xxx(4)3(2)1(21)xxx(5)2x-13=x+22+1(6)12131x(7)xx38(8)12542
13xx(9)310
342xx(10)3142125xx(11)31257243yy(12)576132xx2(13)143321mm(14)52221yyy(15)12136xxx(16)38123xx(17)12(x-3)=2-12(x-3)(18)35
02xx(19)301
01xx(20)223146xx(21)124362xxx(22)xx232314233(23)112[(1)](1)223xxx(24)27(3y+7)=2-32y(25)设k为整数,方程kx=4-x的解x为自然数,求k的值
7324xx23255x70%20%3
6xx312054x425%105x15%68xxX+83X=1215X-3×215=7532X÷41=126X+5=13
4834143X3X=834X÷72=167X+87X=434X-6×32=2125÷X=31053X=722598X=61×5116X÷356=4526×25134x-3×9=2921x+61x=4103X-21×32=42041xx8)6
2(2x6X+5=13
425X-13X=3104χ-6=3855X=1915218X=154X÷54=281532X÷41=1253X=722598X=61×5116X÷356=4526÷2513X-0
25=414X=30%4+0
7X=10232X+21X=42X+41X=105X-83X=400X-0
125X=8X36=436X+37X=18X×(16+38)=1312x