6m+9=21m=

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Solution for 6m+9=21m= equation: 



6m+9=21m=

We move all terms to the left:

6m+9-(21m)=0

We add all the numbers together, and all the variables

-15m+9=0

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

-15m=-9

m=-9/-15

m=3/5

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