(1)去括号得:8x+12=8-8x-5x+10,
移项,合并同类项得:21x=6,
系数化1得:x=
2
7];
(2)整理可得:[10x?10/3]-[10x+20/5]=1.2
去分母得:50x-50-30x-60=18,
解得:x=6.4.