P(3)-15=120

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Solution for P(3)-15=120 equation: 


Simplifying
P(3) + -15 = 120

Reorder the terms for easier multiplication:
3P + -15 = 120

Reorder the terms:
-15 + 3P = 120

Solving
-15 + 3P = 120

Solving for variable 'P'.

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

Add '15' to each side of the equation.
-15 + 15 + 3P = 120 + 15

Combine like terms: -15 + 15 = 0
0 + 3P = 120 + 15
3P = 120 + 15

Combine like terms: 120 + 15 = 135
3P = 135

Divide each side by '3'.
P = 45

Simplifying
P = 45

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