21/3m=5

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Solution for 21/3m=5 equation: 



21/3m=5

We move all terms to the left:

21/3m-(5)=0



Domain of the equation: 3m!=0

m!=0/3

m!=0

m∈R



We multiply all the terms by the denominator


-5*3m+21=0

Wy multiply elements

-15m+21=0

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

-15m=-21

m=-21/-15

m=1+2/5

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