3m+7m+3m+7m=40

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Solution for 3m+7m+3m+7m=40 equation: 



3m+7m+3m+7m=40

We move all terms to the left:

3m+7m+3m+7m-(40)=0

We add all the numbers together, and all the variables

20m-40=0

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

20m=40

m=40/20

m=2

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