Solving an Equation and Checking the Solution Which steps would you use to solve this equation? Check all that apply.

p + 7 = 12

Subtract 7 from both sides of the equation.
Subtract 7 from 7.
7 – 7 = 0 and 12 – 7 = 5, so p = 5.
Substitute 12 for p to check the solution.
Substitute 5 for p to check the solution.