3.5--6x=2x--8.7的x的值

问题描述:

3.5--6x=2x--8.7的x的值
作业急啊·······················································

3.5--6x=2x--8.7
6x+2x=8.7+3.5
8x=12.2
x=1.525验算试试看左边3.5-6×1.525=3.5-9.15=-5.65右边2×1.525-8.7=3.05-8.7=-5.65左边=右边