P+21=45

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Solution for P+21=45 equation: 


Simplifying
P + 21 = 45

Reorder the terms:
21 + P = 45

Solving
21 + P = 45

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 = 45 + -21

Combine like terms: 21 + -21 = 0
0 + P = 45 + -21
P = 45 + -21

Combine like terms: 45 + -21 = 24
P = 24

Simplifying
P = 24

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