8n=9+7n

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Solution for 8n=9+7n equation: 



8n=9+7n

We move all terms to the left:

8n-(9+7n)=0

We add all the numbers together, and all the variables

8n-(7n+9)=0

We get rid of parentheses

8n-7n-9=0

We add all the numbers together, and all the variables

n-9=0

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

n=9

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