P-(-9)=12

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Solution for P-(-9)=12 equation: 


Simplifying
P + -1(-9) = 12

Multiply -1 * -9
P + 9 = 12

Reorder the terms:
9 + P = 12

Solving
9 + P = 12

Solving for variable 'P'.

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

Add '-9' to each side of the equation.
9 + -9 + P = 12 + -9

Combine like terms: 9 + -9 = 0
0 + P = 12 + -9
P = 12 + -9

Combine like terms: 12 + -9 = 3
P = 3

Simplifying
P = 3

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