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6+1.2m=56.4
We move all terms to the left:
6+1.2m-(56.4)=0
We add all the numbers together, and all the variables
1.2m-50.4=0
We move all terms containing m to the left, all other terms to the right
1.2m=50.4
m=50.4/1.2
m=42
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