12m-2m-8=42

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Solution for 12m-2m-8=42 equation: 



12m-2m-8=42

We move all terms to the left:

12m-2m-8-(42)=0

We add all the numbers together, and all the variables

10m-50=0

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

10m=50

m=50/10

m=5

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