Hi there! :)
4x=-36
Divide both sides by 4 in order to isolate x:
x=-9
Hope this helps you and have a nice day!
~Just a joyful teen

Answer:
it is not
Step-by-step explanation:
that is where I truly believe
Minus 9x from both sides
-3y=-9x+12
divide both sides by -3
y=3x-4