8n+9=-n+6n

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Solution for 8n+9=-n+6n equation: 



8n+9=-n+6n

We move all terms to the left:

8n+9-(-n+6n)=0

We add all the numbers together, and all the variables

8n-(+5n)+9=0

We get rid of parentheses

8n-5n+9=0

We add all the numbers together, and all the variables

3n+9=0

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

3n=-9

n=-9/3

n=-3

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