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X in (-oo:+oo)
(3*X-2)/8-((13*X+3)/27)+9 = (5*X-12)/18-((2-(5*X))/4) // - (5*X-12)/18-((2-(5*X))/4)
(3*X-2)/8-((13*X+3)/27)-((5*X-12)/18)+(2-(5*X))/4+9 = 0
(3*X-2)/8-((13*X+3)/27)-((5*X-12)/18)+(2-5*X)/4+9 = 0
(3*X-2)/8+(-1*(13*X+3))/27+(-1*(5*X-12))/18+(2-5*X)/4+9 = 0
(4*18*27*(3*X-2))/(4*8*18*27)+(-1*4*8*18*(13*X+3))/(4*8*18*27)+(-1*4*8*27*(5*X-12))/(4*8*18*27)+(8*18*27*(2-5*X))/(4*8*18*27)+(4*8*9*18*27)/(4*8*18*27) = 0
4*18*27*(3*X-2)-1*4*8*18*(13*X+3)-1*4*8*27*(5*X-12)+8*18*27*(2-5*X)+4*8*9*18*27 = 0
7776-1656*X-4320*X-19440*X-5616+10368+139968 = 0
4752-5976*X-19440*X+7776+139968 = 0
12528-25416*X+139968 = 0
152496-25416*X = 0
(152496-25416*X)/(4*8*18*27) = 0
(152496-25416*X)/(4*8*18*27) = 0 // * 4*8*18*27
152496-25416*X = 0
152496-25416*X = 0 // - 152496
-25416*X = -152496 // : -25416
X = -152496/(-25416)
X = 6
X = 6
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