P=(19-12x)-(-9x-20)

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Solution for P=(19-12x)-(-9x-20) equation:


Simplifying
P = (19 + -12x) + -1(-9x + -20)

Remove parenthesis around (19 + -12x)
P = 19 + -12x + -1(-9x + -20)

Reorder the terms:
P = 19 + -12x + -1(-20 + -9x)
P = 19 + -12x + (-20 * -1 + -9x * -1)
P = 19 + -12x + (20 + 9x)

Reorder the terms:
P = 19 + 20 + -12x + 9x

Combine like terms: 19 + 20 = 39
P = 39 + -12x + 9x

Combine like terms: -12x + 9x = -3x
P = 39 + -3x

Solving
P = 39 + -3x

Solving for variable 'P'.

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

Simplifying
P = 39 + -3x

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