answer is C
He made an error in Step 3. He should have subtracted 2 from both sides.
It led to the beginning of the Renaissance.
y = -8
y = mx + b, where m is the slope and b is the y intercept
since m = 0, the term mx = 0
since the line passes throug (7, -8) then y = -8
The answer to your question is in this order :
-10, 0, 11, 20
