-n-1n-6=21

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Solution for -n-1n-6=21 equation: 



-n-1n-6=21

We move all terms to the left:

-n-1n-6-(21)=0

We add all the numbers together, and all the variables

-2n-27=0

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

-2n=27

n=27/-2

n=-13+1/2

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