7n+7=3n+13

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Solution for 7n+7=3n+13 equation: 



7n+7=3n+13

We move all terms to the left:

7n+7-(3n+13)=0

We get rid of parentheses

7n-3n-13+7=0

We add all the numbers together, and all the variables

4n-6=0

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

4n=6

n=6/4

n=1+1/2

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