3n+3(n+1)=39

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Solution for 3n+3(n+1)=39 equation: 



3n+3(n+1)=39

We move all terms to the left:

3n+3(n+1)-(39)=0

We multiply parentheses

3n+3n+3-39=0

We add all the numbers together, and all the variables

6n-36=0

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

6n=36

n=36/6

n=6

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