4.2m-4.7m-8.5=63.5

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Solution for 4.2m-4.7m-8.5=63.5 equation: 



4.2m-4.7m-8.5=63.5

We move all terms to the left:

4.2m-4.7m-8.5-(63.5)=0

We add all the numbers together, and all the variables

-0.5m-72=0

We move all terms containing m to the left, all other terms to the right

-0.5m=72

m=72/-0.5

m=-144

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