7-2m=31

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Solution for 7-2m=31 equation: 



7-2m=31

We move all terms to the left:

7-2m-(31)=0

We add all the numbers together, and all the variables

-2m-24=0

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

-2m=24

m=24/-2

m=-12

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