m+9=12m

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Solution for m+9=12m equation: 



m+9=12m

We move all terms to the left:

m+9-(12m)=0

We add all the numbers together, and all the variables

-11m+9=0

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

-11m=-9

m=-9/-11

m=9/11

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