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4.2+10m=7.17
We move all terms to the left:
4.2+10m-(7.17)=0
We add all the numbers together, and all the variables
10m-2.97=0
We move all terms containing m to the left, all other terms to the right
10m=2.97
m=2.97/10
m=1/3.3670033670034
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