解一元一次方程的练习题
解下列方程:(每题6分;共210分)
(1)2x+5=5x-7 (2) 4-3(2-x)=5x
(3)3(x-2)=2-5(x-2) (4) 2(x+3)-5(1-x)=3(x-1)
(5)
3(x1)2(x2)2x3
(6) 3(x2)1x(2x1)
x2x-1x+2
(7) 2=3x-1 (8) = +1
32
1x1x81x323(9) (10)
(11)
31.2x431x12x0.4x0.352 (12 ) 4
(13)
x11113x14x2xxx1248 (14) 25
xx111(15) 1(16) x12x2523
(17)
3y125y7243 (18)
576xx132
1m33my1y21y2425 (19) 2 (20)
xx(21)
x13261 11(23) 2(x-3)=2-2(x-3) x1x3(25) 0.20.013 x22(27) 4x361 31(29) 24x3232x
3xx8 (22) 231
x2 (24)0.2x10.53
(26) y218y6y92
x1x24x(28)
362
(30)
12[x122(x1)]3(x1)
(31)
131x(1x)(2)24234
(32)
(33) 2x139 (35)
(36)
4332(x21)32x3
7x125123x283(6x9)
x112[x3(x6)]16(x6)3321234x1221223x (34)
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