-1=2+n

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Solution for -1=2+n equation: 



-1=2+n

We move all terms to the left:

-1-(2+n)=0

We add all the numbers together, and all the variables

-(n+2)-1=0

We get rid of parentheses

-n-2-1=0

We add all the numbers together, and all the variables

-1n-3=0

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

-n=3

n=3/-1

n=-3

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