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6m=-2m-13
We move all terms to the left:
6m-(-2m-13)=0
We get rid of parentheses
6m+2m+13=0
We add all the numbers together, and all the variables
8m+13=0
We move all terms containing m to the left, all other terms to the right
8m=-13
m=-13/8
m=-1+5/8
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