7m-2=8m

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Solution for 7m-2=8m equation: 



7m-2=8m

We move all terms to the left:

7m-2-(8m)=0

We add all the numbers together, and all the variables

-1m-2=0

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

-m=2

m=2/-1

m=-2

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