[3-3m+(2-4m)]/12=6/12

[3-3m+(2-4m)]/12=6/12
3-3m+(2-4m)=6
5-7m=6
7m=-1
m=-1/7

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[3-3m+(2-4m)]/12=6/12
3-3m+2-4m=6
3m+4m=3+2-6
7m=-1
m=-1/7

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