8-1-2m=-4m-7

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Solution for 8-1-2m=-4m-7 equation: 



8-1-2m=-4m-7

We move all terms to the left:

8-1-2m-(-4m-7)=0

We add all the numbers together, and all the variables

-2m-(-4m-7)+7=0

We get rid of parentheses

-2m+4m+7+7=0

We add all the numbers together, and all the variables

2m+14=0

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

2m=-14

m=-14/2

m=-7

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