Answer:
y = 2 -> (-5, 2)
Explanation:
To solve questions like these, you plug in the variable you know, which in this case, is x = -5.
That gives us -5 - 5y = -15.
Then, you solve it like a normal equation.
-5y = -10 (add 5 to both sides)
-y = -2 (divide by 5)
y = 2. (divide by -1)