Answer:
Your answer is going to be p=9.
Step-by-step explanation:
3(2p+7)=15(p-4)
6p+21=15p-60
+60 +60
6p+81=15p
-6p -6p
(81)/9=(9p)/9
p=9
p = 9
3(2p + 7) = 15(p - 4)
distribute + simplify