Question

Solve 21=p−12. The solution is p=

Answer 1

p=33

Explanation:

swap sides so that all variable terms are on the left hand side.

p-12=21

add 12 to both sides.

p=21+12

add 21 and 12 to get 33.

Answer 2

P=33
In order to find the awnser simply plug in 33
33-12=21