72=-4(n+12)

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Solution for 72=-4(n+12) equation: 



72=-4(n+12)

We move all terms to the left:

72-(-4(n+12))=0



We calculate terms in parentheses: -(-4(n+12)), so:

-4(n+12)

We multiply parentheses

-4n-48

Back to the equation:

-(-4n-48)



We get rid of parentheses

4n+48+72=0

We add all the numbers together, and all the variables

4n+120=0

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

4n=-120

n=-120/4

n=-30

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