Respuesta :

-3x + 7x = -12


You need to add like terms.


4x = -12


Then, you need to divide both side by 4.


x = -3


So the answer is:

A) x = -3

emilyalex

Answer:

The answer is A.) -3

Step-by-step explanation:

x ( -3 + 7) = -12 use distributive property to factor out the x. So

x (4) = -12 add the like terms inside parenthesis

¼ * 4x = -12 *

1

4

multiply both side by the reciprocal of 4

x = -3 final answer