m+9+8m=-54

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Solution for m+9+8m=-54 equation: 



m+9+8m=-54

We move all terms to the left:

m+9+8m-(-54)=0

We add all the numbers together, and all the variables

9m+63=0

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

9m=-63

m=-63/9

m=-7

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