Answer:
Yes, p = -2 IS a solution.
Explanation:
To check if a number is a solution, you substitute the -2 in place of the p in the equation. Use order of operations to simplify and see if you get -15.
-15 = 3(2p - 1)
-15 = 3 (2*-2 - 1)
-15 = 3(-4 - 1)
-15 = 3(-5)
-15 = -15 Yes!