P-21=3p-91

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Solution for P-21=3p-91 equation: 


Simplifying
P + -21 = 3p + -91

Reorder the terms:
-21 + P = 3p + -91

Reorder the terms:
-21 + P = -91 + 3p

Solving
-21 + P = -91 + 3p

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 = -91 + 21 + 3p

Combine like terms: -21 + 21 = 0
0 + P = -91 + 21 + 3p
P = -91 + 21 + 3p

Combine like terms: -91 + 21 = -70
P = -70 + 3p

Simplifying
P = -70 + 3p

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