7m+9m=-12

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Solution for 7m+9m=-12 equation: 



7m+9m=-12

We move all terms to the left:

7m+9m-(-12)=0

We add all the numbers together, and all the variables

16m+12=0

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

16m=-12

m=-12/16

m=-3/4

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