72=9+8n

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Solution for 72=9+8n equation: 



72=9+8n

We move all terms to the left:

72-(9+8n)=0

We add all the numbers together, and all the variables

-(8n+9)+72=0

We get rid of parentheses

-8n-9+72=0

We add all the numbers together, and all the variables

-8n+63=0

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

-8n=-63

n=-63/-8

n=7+7/8

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