-120=-3(4+6n)

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Solution for -120=-3(4+6n) equation: 



-120=-3(4+6n)

We move all terms to the left:

-120-(-3(4+6n))=0

We add all the numbers together, and all the variables

-(-3(6n+4))-120=0



We calculate terms in parentheses: -(-3(6n+4)), so:

-3(6n+4)

We multiply parentheses

-18n-12

Back to the equation:

-(-18n-12)



We get rid of parentheses

18n+12-120=0

We add all the numbers together, and all the variables

18n-108=0

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

18n=108

n=108/18

n=6

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