7/3m=-21

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Solution for 7/3m=-21 equation: 



7/3m=-21

We move all terms to the left:

7/3m-(-21)=0



Domain of the equation: 3m!=0

m!=0/3

m!=0

m∈R



We add all the numbers together, and all the variables

7/3m+21=0

We multiply all the terms by the denominator


21*3m+7=0

Wy multiply elements

63m+7=0

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

63m=-7

m=-7/63

m=-1/9

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