-66=-3(n+4)-6n

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Solution for -66=-3(n+4)-6n equation: 



-66=-3(n+4)-6n

We move all terms to the left:

-66-(-3(n+4)-6n)=0



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

-3(n+4)-6n

We add all the numbers together, and all the variables

-6n-3(n+4)

We multiply parentheses

-6n-3n-12

We add all the numbers together, and all the variables

-9n-12

Back to the equation:

-(-9n-12)



We get rid of parentheses

9n+12-66=0

We add all the numbers together, and all the variables

9n-54=0

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

9n=54

n=54/9

n=6

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