5x-x+7x-2x-0.09=0.36
问题描述:
5x-x+7x-2x-0.09=0.36
答
5x-x+7x-2x-0.09=0.36
9x=0.45
x=0.05
5x-x+7x-2x-0.09=0.36
5x-x+7x-2x-0.09=0.36
9x=0.45
x=0.05