(1)8x-2=7x-5 (2)10y+7=12y+5-3y (3)5x-3=3x-1+2x-x方程解答······

问题描述:

(1)8x-2=7x-5 (2)10y+7=12y+5-3y (3)5x-3=3x-1+2x-x
方程解答······