P-2+1=-7

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Solution for P-2+1=-7 equation: 


Simplifying
P + -2 + 1 = -7

Reorder the terms:
-2 + 1 + P = -7

Combine like terms: -2 + 1 = -1
-1 + P = -7

Solving
-1 + P = -7

Solving for variable 'P'.

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

Add '1' to each side of the equation.
-1 + 1 + P = -7 + 1

Combine like terms: -1 + 1 = 0
0 + P = -7 + 1
P = -7 + 1

Combine like terms: -7 + 1 = -6
P = -6

Simplifying
P = -6

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