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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

9n-(6(n+9))+12=0



We calculate terms in parentheses: -(6(n+9)), so:

6(n+9)

We multiply parentheses

6n+54

Back to the equation:

-(6n+54)



We get rid of parentheses

9n-6n-54+12=0

We add all the numbers together, and all the variables

3n-42=0

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

3n=42

n=42/3

n=14

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