-7n-76=21-3(n-5)

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Solution for -7n-76=21-3(n-5) equation: 



-7n-76=21-3(n-5)

We move all terms to the left:

-7n-76-(21-3(n-5))=0



We calculate terms in parentheses: -(21-3(n-5)), so:

21-3(n-5)

determiningTheFunctionDomain
-3(n-5)+21

We multiply parentheses

-3n+15+21

We add all the numbers together, and all the variables

-3n+36

Back to the equation:

-(-3n+36)



We get rid of parentheses

-7n+3n-36-76=0

We add all the numbers together, and all the variables

-4n-112=0

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

-4n=112

n=112/-4

n=-28

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