4分之3x-1=6分之5x-7-1

问题描述:

4分之3x-1=6分之5x-7-1

(3x-1)/4 =(5x-7)/6 -1 3(3x-1)=2(5x-7)-12 9x-3=10x-14-12 9x-10x=3-26 -x=-23 x=23