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m=3-0.5m
We move all terms to the left:
m-(3-0.5m)=0
We add all the numbers together, and all the variables
m-(-0.5m+3)=0
We get rid of parentheses
m+0.5m-3=0
We add all the numbers together, and all the variables
1.5m-3=0
We move all terms containing m to the left, all other terms to the right
1.5m=3
m=3/1.5
m=2
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