-6n=21-n

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Solution for -6n=21-n equation: 



-6n=21-n

We move all terms to the left:

-6n-(21-n)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-6n+1n-21=0

We add all the numbers together, and all the variables

-5n-21=0

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

-5n=21

n=21/-5

n=-4+1/5

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