Respuesta :

Answer:

- 35

Step-by-step explanation:

Step 1:

136 + 12x = - 4 ( 1 - 2x )

Step 2:

136 + 12x = - 4 + 8x

Step 3:

140 + 12x = 8x

Step 4:

140 = - 4x

Answer:

x = - 35

Hope This Helps :)