7m-9(m=4)

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Solution for 7m-9(m=4) equation: 



7m-9(m=4)

We move all terms to the left:

7m-9(m-(4))=0

We multiply parentheses

7m-9m+36=0

We add all the numbers together, and all the variables

-2m+36=0

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

-2m=-36

m=-36/-2

m=+18

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