P+1-2=7

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Solution for P+1-2=7 equation: 


Simplifying
P + 1 + -2 = 7

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

Combine like terms: 1 + -2 = -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 = 8
P = 8

Simplifying
P = 8

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