-9=8-n

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Solution for -9=8-n equation: 



-9=8-n

We move all terms to the left:

-9-(8-n)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

1n-8-9=0

We add all the numbers together, and all the variables

n-17=0

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

n=17

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