Relax

Respuesta :

Answer:

x = 2

Step-by-step explanation:

[tex]12x -(4x+7) +2x =13 \\ \\ 12x - 4x - 7 + 2x = 13 \\ \\ 8x + 2x = 13 + 7 \\ \\ 10x = 20 \\ \\ x = \frac{20}{10} \\ \\ x = 2[/tex]