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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

-6(+n)

We multiply parentheses

-6n

Back to the equation:

-(-6n)



We get rid of parentheses

-3n+6n-9=0

We add all the numbers together, and all the variables

3n-9=0

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

3n=9

n=9/3

n=3

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