1-8n-2=21

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Solution for 1-8n-2=21 equation: 



1-8n-2=21

We move all terms to the left:

1-8n-2-(21)=0

We add all the numbers together, and all the variables

-8n-22=0

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

-8n=22

n=22/-8

n=-2+3/4

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