-3/8m=21

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Solution for -3/8m=21 equation: 



-3/8m=21

We move all terms to the left:

-3/8m-(21)=0



Domain of the equation: 8m!=0

m!=0/8

m!=0

m∈R



We multiply all the terms by the denominator


-21*8m-3=0

Wy multiply elements

-168m-3=0

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

-168m=3

m=3/-168

m=-1/56

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