Respuesta :

Answer:

x=3

Step-by-step explanation:

The way you find x-intercepts is by setting y equal to 0. So then you just solve for x.

(0)-12=-2(x+3)-2(0)

-12= -2x -6 -0

-12 = -2x -6

-6 = -2x

x = 3

Hope this helped.