-9=-8-8n+7

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



-9=-8-8n+7

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(-8n-1)-9=0

We get rid of parentheses

8n+1-9=0

We add all the numbers together, and all the variables

8n-8=0

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

8n=8

n=8/8

n=1

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