1-8n=121

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Solution for 1-8n=121 equation: 



1-8n=121

We move all terms to the left:

1-8n-(121)=0

We add all the numbers together, and all the variables

-8n-120=0

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

-8n=120

n=120/-8

n=-15

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