解一元一次方程的练习题（1）2x+5=5x-7 (2) 4-3(2-x)=5x（3）3（x-2 ）=2-5(x-2) (4) 2(x+3)5(1x)=3(x1)(5) (6) 3(1)2()3xx3(2)1()xx(7) =3x-1 (8) = +12x2x 13 x+22(9) (10) 123x x38(11) (12 ) 1254.3x 310.4.32x(13) (14) 1248xx31425x152 (1)x 3121 (6)x(17) (18) 3125743yy576132x(19) (20) 14321m5221yy(21) (22) 12136x3812x(23) (x-3)=2- (x-3) (24)12 35.012.x(25) (26) 301.2.x 296182yy(27) （28）23146x12436xx(29) (30) xx231423 12()(1)23xx(31) (32) 13()(2)44x43(1)232xx(33) (34) 2139x )96(32813527xx(35) （36）3)6(1)(321xxx xx3214132
