P=7.5n-(2.25n+15)

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Solution for P=7.5n-(2.25n+15) equation: 



=7.5P-(2.25P+15)

We move all terms to the left:

-(7.5P-(2.25P+15))=0



We calculate terms in parentheses: -(7.5P-(2.25P+15)), so:

7.5P-(2.25P+15)

We get rid of parentheses

7.5P-2.25P-15

We add all the numbers together, and all the variables

5.25P-15

Back to the equation:

-(5.25P-15)



We get rid of parentheses

-5.25P+15=0

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

-5.25P=-15

P=-15/-5.25

P=2+3/3.5

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