7m-2m+3=-2m-18

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Solution for 7m-2m+3=-2m-18 equation: 



7m-2m+3=-2m-18

We move all terms to the left:

7m-2m+3-(-2m-18)=0

We add all the numbers together, and all the variables

5m-(-2m-18)+3=0

We get rid of parentheses

5m+2m+18+3=0

We add all the numbers together, and all the variables

7m+21=0

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

7m=-21

m=-21/7

m=-3

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