Answer:
x = -25/3
Step-by-step explanation:
-5 in both sides
3x = -25
divide by 3 both sides
x = -25/3
to find out what x is you'll need to get 3x by itself:
3x+5=-20
3x+5-5=-20-5 Subtract 5 from both sides
3x/3=-25/3 Divide both sides by 3.
x=-25/3 or around 8.3.