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m in (-oo:+oo)
(5*m-3)/4 = (5*m+3)/6 // - (5*m+3)/6
(5*m-3)/4-((5*m+3)/6) = 0
(5*m-3)/4+(-1*(5*m+3))/6 = 0
(6*(5*m-3))/(4*6)+(-1*4*(5*m+3))/(4*6) = 0
6*(5*m-3)-1*4*(5*m+3) = 0
10*m-30 = 0
(10*m-30)/(4*6) = 0
(10*m-30)/(4*6) = 0 // * 4*6
10*m-30 = 0
10*m-30 = 0 // + 30
10*m = 30 // : 10
m = 30/10
m = 3
m = 3
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