-2=10n-9n

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Solution for -2=10n-9n equation: 



-2=10n-9n

We move all terms to the left:

-2-(10n-9n)=0

We add all the numbers together, and all the variables

-(+n)-2=0

We get rid of parentheses

-n-2=0

We add all the numbers together, and all the variables

-1n-2=0

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

-n=2

n=2/-1

n=-2

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