(2x-1)/2-(2x+5)/3=(6x-7)/6-1

问题描述:

(2x-1)/2-(2x+5)/3=(6x-7)/6-1

两边乘6
3(2x-1)-2(2x+5)=(6x-7)-6
6x-3-4x-10=6x-7-6
2x-13=6x-13
6x-2x=-13+13
4x=0
x=0