The answer is 5. Work backwards: first add 7 to 9, then divide by 2, then subtract 3.
9+7=16
16/2=8
8-3=5
Cross Check:
5+3=8
8*2=16
16-7=9
Final Answer: 5
14 because - 11-17=-28. If you divide -28 by -2x you get 14
B is the answer and why is bc I took the quiz