8(x-36)=0.8x解方程

问题描述:

8(x-36)=0.8x解方程

8(x-36)=0.8x
8x-288=0.8x
8x-0.8x=288
7.2x=288
x=288/7.2
x=40

8(x-36)=0.8x
8x-288=0.8x
(8-0.8)x=288
7.2x=288
x=40