P-4=a+b

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Solution for P-4=a+b equation: 


Simplifying
P + -4 = a + b

Reorder the terms:
-4 + P = a + b

Solving
-4 + P = a + b

Solving for variable 'P'.

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

Add '4' to each side of the equation.
-4 + 4 + P = a + 4 + b

Combine like terms: -4 + 4 = 0
0 + P = a + 4 + b
P = a + 4 + b

Reorder the terms:
P = 4 + a + b

Simplifying
P = 4 + a + b

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