8n=7+9n

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Solution for 8n=7+9n equation: 



8n=7+9n

We move all terms to the left:

8n-(7+9n)=0

We add all the numbers together, and all the variables

8n-(9n+7)=0

We get rid of parentheses

8n-9n-7=0

We add all the numbers together, and all the variables

-1n-7=0

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

-n=7

n=7/-1

n=-7

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