3n+9=3(n+3)

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



3n+9=3(n+3)

We move all terms to the left:

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



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

3(n+3)

We multiply parentheses

3n+9

Back to the equation:

-(3n+9)



We get rid of parentheses

3n-3n-9+9=0

We add all the numbers together, and all the variables

=0

n=0/1

n=0

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