9n=7+8n

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Solution for 9n=7+8n equation: 



9n=7+8n

We move all terms to the left:

9n-(7+8n)=0

We add all the numbers together, and all the variables

9n-(8n+7)=0

We get rid of parentheses

9n-8n-7=0

We add all the numbers together, and all the variables

n-7=0

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

n=7

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