P(Q)=90-4Q

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Solution for P(Q)=90-4Q equation: 


Simplifying
P(Q) = 90 + -4Q

Multiply P * Q
PQ = 90 + -4Q

Solving
PQ = 90 + -4Q

Solving for variable 'P'.

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

Divide each side by 'Q'.
P = 90Q-1 + -4

Simplifying
P = 90Q-1 + -4

Reorder the terms:
P = -4 + 90Q-1

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