一元一次方程练习题
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一元一次方程练习题
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 ) 310.40.342xx (10) 3142125xx
(11) 31257243yy (12) 576132xx
(13) 143321mm (14) 52221yyy
(15)12136xxx (16) 38123xx
(17) 12(x-3)=2-12(x-3) (18)35.012.02xx
(19) 301.032.01xx (20) 223146xx
(21)124362xxx (22) xx23231423