0=3(n+9)

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Solution for 0=3(n+9) equation: 



0=3(n+9)

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(3(n+9))=0



We calculate terms in parentheses: -(3(n+9)), so:

3(n+9)

We multiply parentheses

3n+27

Back to the equation:

-(3n+27)



We get rid of parentheses

-3n-27=0

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

-3n=27

n=27/-3

n=-9

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