6(n+7)=78

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Solution for 6(n+7)=78 equation: 



6(n+7)=78

We move all terms to the left:

6(n+7)-(78)=0

We multiply parentheses

6n+42-78=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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