9m-4(2m-9)=15

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Solution for 9m-4(2m-9)=15 equation: 



9m-4(2m-9)=15

We move all terms to the left:

9m-4(2m-9)-(15)=0

We multiply parentheses

9m-8m+36-15=0

We add all the numbers together, and all the variables

m+21=0

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

m=-21

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