Answer:
p>9
Step-by-step explanation:
Add by 6 from both sides of equation.
3p-6+6>21+6
Simplify.
21+6=27
3p>27
Divide by 3 from both sides of equation.
3p/3>27/3
Simplify, to find the answer.
27/3=9
p>9 is the correct answer.
I hope this helps you, and have a wonderful day!