-5=-4+n/21

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Solution for -5=-4+n/21 equation: 



-5=-4+n/21

We move all terms to the left:

-5-(-4+n/21)=0

We add all the numbers together, and all the variables

-(n/21-4)-5=0

We get rid of parentheses

-n/21+4-5=0

We multiply all the terms by the denominator


-n+4*21-5*21=0

We add all the numbers together, and all the variables

-1n-21=0

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

-n=21

n=21/-1

n=-21

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