-7+8n=9n+3n+9

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Solution for -7+8n=9n+3n+9 equation: 



-7+8n=9n+3n+9

We move all terms to the left:

-7+8n-(9n+3n+9)=0

We add all the numbers together, and all the variables

8n-(12n+9)-7=0

We get rid of parentheses

8n-12n-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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