5m-9-m=7m-42

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Solution for 5m-9-m=7m-42 equation: 



5m-9-m=7m-42

We move all terms to the left:

5m-9-m-(7m-42)=0

We add all the numbers together, and all the variables

4m-(7m-42)-9=0

We get rid of parentheses

4m-7m+42-9=0

We add all the numbers together, and all the variables

-3m+33=0

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

-3m=-33

m=-33/-3

m=+11

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