-8=m/21

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Solution for -8=m/21 equation: 



-8=m/21

We move all terms to the left:

-8-(m/21)=0

We add all the numbers together, and all the variables

-(+m/21)-8=0

We get rid of parentheses

-m/21-8=0

We multiply all the terms by the denominator


-m-8*21=0

We add all the numbers together, and all the variables

-1m-168=0

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

-m=168

m=168/-1

m=-168

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