7-2m=-m

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Solution for 7-2m=-m equation: 



7-2m=-m

We move all terms to the left:

7-2m-(-m)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-2m+1m+7=0

We add all the numbers together, and all the variables

-1m+7=0

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

-m=-7

m=-7/-1

m=+7

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