p-21=56

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Solution for p-21=56 equation: 


Simplifying
p + -21 = 56

Reorder the terms:
-21 + p = 56

Solving
-21 + p = 56

Solving for variable 'p'.

Move all terms containing p to the left, all other terms to the right.

Add '21' to each side of the equation.
-21 + 21 + p = 56 + 21

Combine like terms: -21 + 21 = 0
0 + p = 56 + 21
p = 56 + 21

Combine like terms: 56 + 21 = 77
p = 77

Simplifying
p = 77

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