Answer:
8
Step-by-step explanation:
First, we multiply -9 by -2, which gives us 18. Then, we subtract 18 on both sides, because it is a constant. That leaves us with -3y=-12. Then, we divide -12 by -3, which gives us a positive 8.
-9x-3y=6
18-3y=6
-3y=-12
y=8
Hope this helps!
