9+3m=12

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Solution for 9+3m=12 equation: 



9+3m=12

We move all terms to the left:

9+3m-(12)=0

We add all the numbers together, and all the variables

3m-3=0

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

3m=3

m=3/3

m=1

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