7=2m-5-8m

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Solution for 7=2m-5-8m equation: 



7=2m-5-8m

We move all terms to the left:

7-(2m-5-8m)=0

We add all the numbers together, and all the variables

-(-6m-5)+7=0

We get rid of parentheses

6m+5+7=0

We add all the numbers together, and all the variables

6m+12=0

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

6m=-12

m=-12/6

m=-2

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