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x in (-oo:+oo)
(1/2)*(x-(1/4))+8/9 = (4/5)*((1/2)*x-5)+1/3 // - (4/5)*((1/2)*x-5)+1/3
(1/2)*(x-(1/4))-((4/5)*((1/2)*x-5))+8/9-(1/3) = 0
(1/2)*(x-1/4)+(-4/5)*((1/2)*x-5)+8/9-1/3 = 0
1/2*(x-1/4)-4/5*(1/2*x-5)+8/9-1/3 = 0
(1/2*3*9*(x-1/4))/(3*9)+(-4/5*3*9*(1/2*x-5))/(3*9)+(3*8)/(3*9)+(-1*9)/(3*9) = 0
1/2*3*9*(x-1/4)-4/5*3*9*(1/2*x-5)+3*8-1*9 = 0
27/10*x-9+24+837/8 = 0
27/10*x-9+1029/8 = 0
27/10*x+957/8 = 0
(27/10*x+957/8)/(3*9) = 0
(27/10*x+957/8)/(3*9) = 0 // * 3*9
27/10*x+957/8 = 0
27/10*x+957/8 = 0 // - 957/8
27/10*x = -957/8 // : 27/10
x = -957/8/27/10
x = -1595/36
x = -1595/36
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