-2-5m=78

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Solution for -2-5m=78 equation: 



-2-5m=78

We move all terms to the left:

-2-5m-(78)=0

We add all the numbers together, and all the variables

-5m-80=0

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

-5m=80

m=80/-5

m=-16

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