Answer:
p=-7
Explanation:
You didn't state what you were solving for so I'm assuming you want me to solve for p.
I'm going to do it out and you can ask me any questions if you have any
11+2p=p+4
same to both sides
11+2p=p+4
-p -p
11+p=4
Same to both sides
11+p=4
-11 -11
p=-7