7-m=-2-2m

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



7-m=-2-2m

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-1m-(-2m-2)+7=0

We get rid of parentheses

-1m+2m+2+7=0

We add all the numbers together, and all the variables

m+9=0

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

m=-9

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