9=3-7m-2

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Solution for 9=3-7m-2 equation: 



9=3-7m-2

We move all terms to the left:

9-(3-7m-2)=0

We add all the numbers together, and all the variables

-(-7m+1)+9=0

We get rid of parentheses

7m-1+9=0

We add all the numbers together, and all the variables

7m+8=0

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

7m=-8

m=-8/7

m=-1+1/7

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