1-3m-8m=12

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Solution for 1-3m-8m=12 equation: 



1-3m-8m=12

We move all terms to the left:

1-3m-8m-(12)=0

We add all the numbers together, and all the variables

-11m-11=0

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

-11m=11

m=11/-11

m=-1

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