12m+2m+m-4-m=20

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Solution for 12m+2m+m-4-m=20 equation: 



12m+2m+m-4-m=20

We move all terms to the left:

12m+2m+m-4-m-(20)=0

We add all the numbers together, and all the variables

14m-24=0

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

14m=24

m=24/14

m=1+5/7

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