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3m-1.8=16.8
We move all terms to the left:
3m-1.8-(16.8)=0
We add all the numbers together, and all the variables
3m-18.6=0
We move all terms containing m to the left, all other terms to the right
3m=18.6
m=18.6/3
m=6+0.6/3
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