7-n=8n

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Solution for 7-n=8n equation: 



7-n=8n

We move all terms to the left:

7-n-(8n)=0

We add all the numbers together, and all the variables

-9n+7=0

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

-9n=-7

n=-7/-9

n=7/9

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