Answer:
I would believe its 1/2
Yes
Step-by-step explanation:
12x minus -3x is the same as adding two positives. That gives us 15x. 4 - 5 is -1. Putting the two simplified parts of the expression together, we get 15x - 1. Mason is correct.
Line 1: y = x + 3
Line 2: y = -2x