9/2m+12=21

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Solution for 9/2m+12=21 equation: 



9/2m+12=21

We move all terms to the left:

9/2m+12-(21)=0



Domain of the equation: 2m!=0

m!=0/2

m!=0

m∈R



We add all the numbers together, and all the variables

9/2m-9=0

We multiply all the terms by the denominator


-9*2m+9=0

Wy multiply elements

-18m+9=0

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

-18m=-9

m=-9/-18

m=1/2

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