4n-7=8n+9

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Solution for 4n-7=8n+9 equation: 



4n-7=8n+9

We move all terms to the left:

4n-7-(8n+9)=0

We get rid of parentheses

4n-8n-9-7=0

We add all the numbers together, and all the variables

-4n-16=0

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

-4n=16

n=16/-4

n=-4

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