21=m/7

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Solution for 21=m/7 equation: 



21=m/7

We move all terms to the left:

21-(m/7)=0

We add all the numbers together, and all the variables

-(+m/7)+21=0

We get rid of parentheses

-m/7+21=0

We multiply all the terms by the denominator


-m+21*7=0

We add all the numbers together, and all the variables

-1m+147=0

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

-m=-147

m=-147/-1

m=+147

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