P=7.5-(2.25n+15)

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



=7.5-(2.25P+15)

We move all terms to the left:

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



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

7.5-(2.25P+15)

determiningTheFunctionDomain
-(2.25P+15)+7.5

We get rid of parentheses

-2.25P-15+7.5

We add all the numbers together, and all the variables

-2.25P-7.5

Back to the equation:

-(-2.25P-7.5)



We get rid of parentheses

2.25P+7.5=0

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

2.25P=-7.5

P=-7.5/2.25

P=-3+0.75/2.25

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