-42m-9=69

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Solution for -42m-9=69 equation: 



-42m-9=69

We move all terms to the left:

-42m-9-(69)=0

We add all the numbers together, and all the variables

-42m-78=0

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

-42m=78

m=78/-42

m=-1+6/7

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