1+8n=13+n

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Solution for 1+8n=13+n equation: 



1+8n=13+n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

8n-n-13+1=0

We add all the numbers together, and all the variables

7n-12=0

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

7n=12

n=12/7

n=1+5/7

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