4n-(1+7n)=n+21

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Solution for 4n-(1+7n)=n+21 equation: 



4n-(1+7n)=n+21

We move all terms to the left:

4n-(1+7n)-(n+21)=0

We add all the numbers together, and all the variables

4n-(7n+1)-(n+21)=0

We get rid of parentheses

4n-7n-n-1-21=0

We add all the numbers together, and all the variables

-4n-22=0

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

-4n=22

n=22/-4

n=-5+1/2

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