35(x+1)=40(x-1)+(40-5)方程过程

问题描述:

35(x+1)=40(x-1)+(40-5)方程过程

35(x+1)=40(x-1)+(40-5)
35x+35=40x-40+35
35x+35=40x-5
40x-35x=35+5
5x=40
x=8