-8=-2m-9

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Solution for -8=-2m-9 equation: 



-8=-2m-9

We move all terms to the left:

-8-(-2m-9)=0

We get rid of parentheses

2m+9-8=0

We add all the numbers together, and all the variables

2m+1=0

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

2m=-1

m=-1/2

m=-1/2

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