-6n-9=-3(4+n)

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Solution for -6n-9=-3(4+n) equation: 



-6n-9=-3(4+n)

We move all terms to the left:

-6n-9-(-3(4+n))=0

We add all the numbers together, and all the variables

-6n-(-3(n+4))-9=0



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

-3(n+4)

We multiply parentheses

-3n-12

Back to the equation:

-(-3n-12)



We get rid of parentheses

-6n+3n+12-9=0

We add all the numbers together, and all the variables

-3n+3=0

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

-3n=-3

n=-3/-3

n=1

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