Question

3 (2x -3) +2 (x+1) = 3x + 18 qual e a resposta

Answer 1

6x-9+2x+2= 3x+18
6x+2x-9+2 = 3x+18
8x-7 = 3x+18
8x-3x = 18+7
5x = 25
x = 25/5
x = 5