9-m/3=21

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Solution for 9-m/3=21 equation: 



9-m/3=21

We move all terms to the left:

9-m/3-(21)=0

We add all the numbers together, and all the variables

-m/3-12=0

We multiply all the terms by the denominator


-m-12*3=0

We add all the numbers together, and all the variables

-1m-36=0

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

-m=36

m=36/-1

m=-36

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