3(n+9)=78

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Solution for 3(n+9)=78 equation: 



3(n+9)=78

We move all terms to the left:

3(n+9)-(78)=0

We multiply parentheses

3n+27-78=0

We add all the numbers together, and all the variables

3n-51=0

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

3n=51

n=51/3

n=17

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