7=5-2m

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Solution for 7=5-2m equation: 



7=5-2m

We move all terms to the left:

7-(5-2m)=0

We add all the numbers together, and all the variables

-(-2m+5)+7=0

We get rid of parentheses

2m-5+7=0

We add all the numbers together, and all the variables

2m+2=0

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

2m=-2

m=-2/2

m=-1

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