P(x)=50x-(.40x+70)

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Solution for P(x)=50x-(.40x+70) equation: 



(P)=50P-(.40P+70)

We move all terms to the left:

(P)-(50P-(.40P+70))=0



We calculate terms in parentheses: -(50P-(.40P+70)), so:

50P-(.40P+70)

We get rid of parentheses

50P-.40P-70

We add all the numbers together, and all the variables

49.6P-70

Back to the equation:

-(49.6P-70)



We get rid of parentheses

P-49.6P+70=0

We add all the numbers together, and all the variables

-48.6P+70=0

We move all terms containing P to the left, all other terms to the right

-48.6P=-70

P=-70/-48.6

P=1+6.2941176470588/14.294117647059

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