Question

Quanto da:
9.(6+2x)-(-8x-20)=-(-16-2x)+36?

Answer 1

Boa tarde, vamos la.

9(6+2x)-(-8x-20)= -(-16-2x)+36
54+18x+8x+20=+16+2x+36
26x+74= 2x+52
26x-2x = 52-74
24x = -22
x = -22/24
x = -11/12