(3+7n)=9

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Solution for (3+7n)=9 equation: 



(3+7n)=9

We move all terms to the left:

(3+7n)-(9)=0

We add all the numbers together, and all the variables

(7n+3)-9=0

We get rid of parentheses

7n+3-9=0

We add all the numbers together, and all the variables

7n-6=0

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

7n=6

n=6/7

n=6/7

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