-n-9=1+n

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Solution for -n-9=1+n equation: 



-n-9=1+n

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1n-n-1-9=0

We add all the numbers together, and all the variables

-2n-10=0

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

-2n=10

n=10/-2

n=-5

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