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3.2m-7=18.6
We move all terms to the left:
3.2m-7-(18.6)=0
We add all the numbers together, and all the variables
3.2m-25.6=0
We move all terms containing m to the left, all other terms to the right
3.2m=25.6
m=25.6/3.2
m=8
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