8n=-20+9n

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Solution for 8n=-20+9n equation: 



8n=-20+9n

We move all terms to the left:

8n-(-20+9n)=0

We add all the numbers together, and all the variables

8n-(9n-20)=0

We get rid of parentheses

8n-9n+20=0

We add all the numbers together, and all the variables

-1n+20=0

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

-n=-20

n=-20/-1

n=+20

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