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(3/4)*(5*x-2)-((1/2)*(3*x-7)) = (3/8)*x+5/9 // - (3/8)*x+5/9
(3/4)*(5*x-2)-((1/2)*(3*x-7))-((3/8)*x)-(5/9) = 0
(3/4)*(5*x-2)+(-1/2)*(3*x-7)+(-3/8)*x-5/9 = 0
3/4*(5*x-2)-1/2*(3*x-7)+(-3*x)/8-5/9 = 0
(3/4*8*9*(5*x-2))/(8*9)+(-1/2*8*9*(3*x-7))/(8*9)+(-3*9*x)/(8*9)+(-5*8)/(8*9) = 0
3/4*8*9*(5*x-2)-1/2*8*9*(3*x-7)-3*9*x-5*8 = 0
162*x-27*x-40+144 = 0
135*x-40+144 = 0
135*x+104 = 0
(135*x+104)/(8*9) = 0
(135*x+104)/(8*9) = 0 // * 8*9
135*x+104 = 0
135*x+104 = 0 // - 104
135*x = -104 // : 135
x = -104/135
x = -104/135
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