Answer:
p=6
Explanation:
First use the Distributive property to distribute the -3 to both (3p) and (6):
-84=-9p-18-2p
Now combine alike terms! (-9p-2p):
-84=-11p-18
Now add 18 to both sides!
-66=-11p
Now divide both sides by -11!
6=p
This can be rearranged to give you a final answer of p=6