8(x-36)=0.8x解方程
问题描述:
8(x-36)=0.8x解方程
答
8(x-36)=0.8x
8x-288=0.8x
8x-0.8x=288
7.2x=288
x=288/7.2
x=40
答
8(x-36)=0.8x
8x-288=0.8x
(8-0.8)x=288
7.2x=288
x=40