-3m-5=7

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Solution for -3m-5=7 equation: 



-3m-5=7

We move all terms to the left:

-3m-5-(7)=0

We add all the numbers together, and all the variables

-3m-12=0

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

-3m=12

m=12/-3

m=-4

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