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m in (-oo:+oo)
3/4 = (4*m-4)/6 // - (4*m-4)/6
3/4-((4*m-4)/6) = 0
(-1*(4*m-4))/6+3/4 = 0
(-1*4*(4*m-4))/(4*6)+(3*6)/(4*6) = 0
3*6-1*4*(4*m-4) = 0
34-16*m = 0
(34-16*m)/(4*6) = 0
(34-16*m)/(4*6) = 0 // * 4*6
34-16*m = 0
34-16*m = 0 // - 34
-16*m = -34 // : -16
m = -34/(-16)
m = 17/8
m = 17/8
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