Answer:
y=-9
7+(-9)=-2 , -2=-2
Step-by-step explanation:
You want to isolate y by itself so you have to subtract 7 from both sides. -2-7=-9 so y=-9. To check this equation, you have to plug 9 back into the equation. It will look like 7+(-9)=-2. -2=-2 so that means that y=-9.
If this helped, mark as brainliest
