21/3m=42/3

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Solution for 21/3m=42/3 equation: 



21/3m=42/3

We move all terms to the left:

21/3m-(42/3)=0



Domain of the equation: 3m!=0

m!=0/3

m!=0

m∈R



We add all the numbers together, and all the variables

21/3m-14=0

We multiply all the terms by the denominator


-14*3m+21=0

Wy multiply elements

-42m+21=0

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

-42m=-21

m=-21/-42

m=1/2

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