12=-3(n-76)

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Solution for 12=-3(n-76) equation: 



12=-3(n-76)

We move all terms to the left:

12-(-3(n-76))=0



We calculate terms in parentheses: -(-3(n-76)), so:

-3(n-76)

We multiply parentheses

-3n+228

Back to the equation:

-(-3n+228)



We get rid of parentheses

3n-228+12=0

We add all the numbers together, and all the variables

3n-216=0

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

3n=216

n=216/3

n=72

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