2m+m=12.5

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Solution for 2m+m=12.5 equation: 



2m+m=12.5

We move all terms to the left:

2m+m-(12.5)=0

We add all the numbers together, and all the variables

3m-12.5=0

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

3m=12.5

m=12.5/3

m=4+0.5/3

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