Question 67358
7x-{3[4(x-2)-3(x+1)]-5(2x-3)}
7x-{3[4x-8-3x-3]-10x+15}
7x-{12x-24-9x-9-10x+15
7x-{12x-9x-10x-24-9+15}
7x-{-7x-18}
7x+7x+18
14x+18
2(7x+9)