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x in (-oo:+oo)
(3*x-4)/3-((2*x+4)/6) = (5*x-1)/9 // - (5*x-1)/9
(3*x-4)/3-((2*x+4)/6)-((5*x-1)/9) = 0
(3*x-4)/3+(-1*(2*x+4))/6+(-1*(5*x-1))/9 = 0
(6*9*(3*x-4))/(3*6*9)+(-1*3*9*(2*x+4))/(3*6*9)+(-1*3*6*(5*x-1))/(3*6*9) = 0
6*9*(3*x-4)-1*3*9*(2*x+4)-1*3*6*(5*x-1) = 0
108*x-90*x-324+18 = 0
18*x-306 = 0
(18*x-306)/(3*6*9) = 0
(18*x-306)/(3*6*9) = 0 // * 3*6*9
18*x-306 = 0
18*x-306 = 0 // + 306
18*x = 306 // : 18
x = 306/18
x = 17
x = 17
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