6m+9=-3m-21-6

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Solution for 6m+9=-3m-21-6 equation: 



6m+9=-3m-21-6

We move all terms to the left:

6m+9-(-3m-21-6)=0

We add all the numbers together, and all the variables

6m-(-3m-27)+9=0

We get rid of parentheses

6m+3m+27+9=0

We add all the numbers together, and all the variables

9m+36=0

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

9m=-36

m=-36/9

m=-4

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