Answer:
5x
Step-by-step explanation:
have a good day! :)
x + y = 9
x = 9 - y
2x - y = 0
2(9 - y) - y = 0
18 - 2y - y = 0
-3y = -18
y = 6
x = 9 - 6
x = 3
Here you go, I think
k, a, and i I think!
