21=14+8n

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Solution for 21=14+8n equation: 



21=14+8n

We move all terms to the left:

21-(14+8n)=0

We add all the numbers together, and all the variables

-(8n+14)+21=0

We get rid of parentheses

-8n-14+21=0

We add all the numbers together, and all the variables

-8n+7=0

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

-8n=-7

n=-7/-8

n=7/8

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