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20m/4=12
We move all terms to the left:
20m/4-(12)=0
We multiply all the terms by the denominator
20m-12*4=0
We add all the numbers together, and all the variables
20m-48=0
We move all terms containing m to the left, all other terms to the right
20m=48
m=48/20
m=2+2/5
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