2m+1=-m-8

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Solution for 2m+1=-m-8 equation: 



2m+1=-m-8

We move all terms to the left:

2m+1-(-m-8)=0

We add all the numbers together, and all the variables

2m-(-1m-8)+1=0

We get rid of parentheses

2m+1m+8+1=0

We add all the numbers together, and all the variables

3m+9=0

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

3m=-9

m=-9/3

m=-3

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