Respuesta :

Answer:

-2

Step-by-step explanation:

-2 (10 + 6x) + 10 = -34

(-2 x 10, -2 x 6x)

-20 + (-12x) + 10 = -34

-20 + 10 = -10

-10 - 12x = -34

+10 +10

-12x = -24

-12 -12

x = -2