71=120-(15-n+7.50)

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Solution for 71=120-(15-n+7.50) equation: 



71=120-(15-n+7.50)

We move all terms to the left:

71-(120-(15-n+7.50))=0

We add all the numbers together, and all the variables

-(120-(-1n+22.5))+71=0



We calculate terms in parentheses: -(120-(-1n+22.5)), so:

120-(-1n+22.5)

determiningTheFunctionDomain
-(-1n+22.5)+120

We get rid of parentheses

1n-22.5+120

We add all the numbers together, and all the variables

n+97.5

Back to the equation:

-(n+97.5)



We get rid of parentheses

-n-97.5+71=0

We add all the numbers together, and all the variables

-1n-26.5=0

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

-n=26.5

n=26.5/-1

n=-26+0.5/1

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