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m in (-oo:+oo)
(2*m-5)/3 = (5*m+4)/2 // - (5*m+4)/2
(2*m-5)/3-((5*m+4)/2) = 0
(2*m-5)/3+(-1*(5*m+4))/2 = 0
(2*(2*m-5))/(2*3)+(-1*3*(5*m+4))/(2*3) = 0
2*(2*m-5)-1*3*(5*m+4) = 0
-11*m-22 = 0
(-11*m-22)/(2*3) = 0
(-11*m-22)/(2*3) = 0 // * 2*3
-11*m-22 = 0
-11*m-22 = 0 // + 22
-11*m = 22 // : -11
m = 22/(-11)
m = -2
m = -2
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