p(x)=x-2x

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Solution for p(x)=x-2x equation: 


Simplifying
p(x) = x + -2x

Multiply p * x
px = x + -2x

Combine like terms: x + -2x = -1x
px = -1x

Solving
px = -1x

Solving for variable 'p'.

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

Divide each side by 'x'.
p = -1

Simplifying
p = -1

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