Answer:
-8
Explanation:
To solve for the equation, you are looking to solve for the p's value. Our goal is to isolate p by itself.
9+-2p=25
Subtract 9 from both sides.
-2p=25-9
-2p=16
Divide both sides by -2 (to isolate p by itself).
-2p/-2 = 16/-2
p = -8