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4.2+10m=6.65
We move all terms to the left:
4.2+10m-(6.65)=0
We add all the numbers together, and all the variables
10m-2.45=0
We move all terms containing m to the left, all other terms to the right
10m=2.45
m=2.45/10
m=1/4.0816326530612
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