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3m+2.3=39.7
We move all terms to the left:
3m+2.3-(39.7)=0
We add all the numbers together, and all the variables
3m-37.4=0
We move all terms containing m to the left, all other terms to the right
3m=37.4
m=37.4/3
m=12+1/2.14285714286
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