10x-4(3-x)-5(+7=15x-9(x-2)

问题描述:

10x-4(3-x)-5(+7=15x-9(x-2)

10x-12+4x-35=15x-9x+18.
10x+4x-15x+9x=18+35-12.
8x=41.
x=41/8.