P-15=3(2-P)+P

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Solution for P-15=3(2-P)+P equation:


Simplifying
P + -15 = 3(2 + -1P) + P

Reorder the terms:
-15 + P = 3(2 + -1P) + P
-15 + P = (2 * 3 + -1P * 3) + P
-15 + P = (6 + -3P) + P

Combine like terms: -3P + P = -2P
-15 + P = 6 + -2P

Solving
-15 + P = 6 + -2P

Solving for variable 'P'.

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

Add '2P' to each side of the equation.
-15 + P + 2P = 6 + -2P + 2P

Combine like terms: P + 2P = 3P
-15 + 3P = 6 + -2P + 2P

Combine like terms: -2P + 2P = 0
-15 + 3P = 6 + 0
-15 + 3P = 6

Add '15' to each side of the equation.
-15 + 15 + 3P = 6 + 15

Combine like terms: -15 + 15 = 0
0 + 3P = 6 + 15
3P = 6 + 15

Combine like terms: 6 + 15 = 21
3P = 21

Divide each side by '3'.
P = 7

Simplifying
P = 7

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