Question

Solve each system by substitution.
11) 3x - y = 20
y=-2

Answer 1

lol you stupid how do you not know

Explanation:

lol

Answer 2

Hello there! I think x=6 because you would substitute “-2” for “-y” and when you multiply two negatives they turn into a positive. You then put your “2” on the other side of the equal marks. Then just do 3x/18 and you get 6.