Respuesta :

hiey
-3x-15=-9
+15 +15
-3x=6
x=-2

Answer: -2

Step-by-step explanation:

Distribute. -3 times x and -3 times 5.

-3(x+5)=-9

-3x-15=-9

Add 15 on both sides of the =sign (15 cancels out)

-3x=6

Divide -3 on both sides

X=-2