7-9m=-4m-8

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Solution for 7-9m=-4m-8 equation: 



7-9m=-4m-8

We move all terms to the left:

7-9m-(-4m-8)=0

We get rid of parentheses

-9m+4m+8+7=0

We add all the numbers together, and all the variables

-5m+15=0

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

-5m=-15

m=-15/-5

m=+3

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