Answer:
V > -15
Step-by-step explanation:

For The Letter B Yes, The Rate Changes Because You are Adding More Stuff Into Whatever You making And You Can Lower It Too By Subtracting. Every Time You add Something Something Changes Just Like Your Quotion.
This is just simplification. If you havent done algebra before it may be difficult but you probably have. Ok we need to get x on its on so that we know what x is. So to make X on its own, we need to get rid of -7. So we plus 7 on both sides.
So we get:
x > 17