13+4n=1+n+7n

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Solution for 13+4n=1+n+7n equation: 



13+4n=1+n+7n

We move all terms to the left:

13+4n-(1+n+7n)=0

We add all the numbers together, and all the variables

4n-(8n+1)+13=0

We get rid of parentheses

4n-8n-1+13=0

We add all the numbers together, and all the variables

-4n+12=0

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

-4n=-12

n=-12/-4

n=+3

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