解方程(1)3x-2=-5 (2)-5x+2=3x-4 (3)2x-3(10-x)=5 (4)3(x-1)=3-(2x+1) (5)1-3(x+1/3)=1/3
解方程(1)3x-2=-5 (2)-5x+2=3x-4 (3)2x-3(10-x)=5 (4)3(x-1)=3-(2x+1) (5)1-3(x+1/3)=1/3
日期:2011-12-02 13:16:39 人气:1
(1) x = -7 / 3
(2) x = 3 / 4
(3) x = 7
(4) x = 1
(5) x = -1 / 9
(6) x = 66
(7) x = -6 / 5(是否少打括号?)
(8) x = -1 / 4