15+9m=42

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Solution for 15+9m=42 equation: 



15+9m=42

We move all terms to the left:

15+9m-(42)=0

We add all the numbers together, and all the variables

9m-27=0

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

9m=27

m=27/9

m=3

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