20m+4=84

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Solution for 20m+4=84 equation: 



20m+4=84

We move all terms to the left:

20m+4-(84)=0

We add all the numbers together, and all the variables

20m-80=0

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

20m=80

m=80/20

m=4

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