(1)3(2x+1)=12; (2)x+3/2=2x+1/3-1.
问题描述:
(1)3(2x+1)=12;
(2)
=x+3 2
-1. 2x+1 3
答
(1)去括号得:6x+3=12,
移项合并得:6x=9,
解得:x=1.5;
(2)去分母得:3x+9=4x+2-6,
移项合并得:x=13.