3=m^-2-2m^-1

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Solution for 3=m^-2-2m^-1 equation: 



3=m^-2-2m^-1

We move all terms to the left:

3-(m^-2-2m^-1)=0

We get rid of parentheses

-m^+2m^+2+1+3=0

We add all the numbers together, and all the variables

m+6=0

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

m=-6

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