21/3=7/m

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Solution for 21/3=7/m equation: 



21/3=7/m

We move all terms to the left:

21/3-(7/m)=0



Domain of the equation: m)!=0

m!=0/1

m!=0

m∈R



We add all the numbers together, and all the variables

-(+7/m)+21/3=0

We add all the numbers together, and all the variables

-(+7/m)+7=0

We get rid of parentheses

-7/m+7=0

We multiply all the terms by the denominator


7*m-7=0

We add all the numbers together, and all the variables

7m-7=0

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

7m=7

m=7/7

m=1

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