Question

Resolva 3(-x-2)-(x+1)=o

Answer 1

$3 \times ( -x - 2) - (x + 1) = 0 \\ - 3x - 6 - x - 1 = 0 \\ - 4x - 7 = 0 \\ 4x = - 7 \\ x = - \frac{7}{4}$

Answer 2

3(-x-2)-(x+1)= 0
-3x - 6 - x - 1 = 0
- 4x - 7 = 0
- 4x = 7
x = - 7/4

Resposta: x = - 7/4