Question

Resolva a equação.

2(3x+2) + 5x + 11x - 13

Answer 1

2(3x+2) + 5x + 11x - 13
6x+4+5x+11x-13=0
6x+5x+11x+4=13
11x+11x+4=13
22x+4-13=0
22x=13-4
22x=9
x=9/22

conferindo
22x+4-13=0
22*9/22+4-13=0
9+4-13=0
13-13=0