3m+18m=20

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Solution for 3m+18m=20 equation: 



3m+18m=20

We move all terms to the left:

3m+18m-(20)=0

We add all the numbers together, and all the variables

21m-20=0

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

21m=20

m=20/21

m=20/21

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