30-15m=-45

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Solution for 30-15m=-45 equation: 



30-15m=-45

We move all terms to the left:

30-15m-(-45)=0

We add all the numbers together, and all the variables

-15m+75=0

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

-15m=-75

m=-75/-15

m=+5

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