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8*x+5/3 = (7/9)*x-(15*(x+8/3)) // - (7/9)*x-(15*(x+8/3))
15*(x+8/3)+8*x-((7/9)*x)+5/3 = 0
15*(x+8/3)+8*x+(-7/9)*x+5/3 = 0
15*(x+8/3)+8*x+(-7*x)/9+5/3 = 0
(3*9*15*(x+8/3))/(3*9)+(3*8*9*x)/(3*9)+(-7*3*x)/(3*9)+(5*9)/(3*9) = 0
3*9*15*(x+8/3)+3*8*9*x-7*3*x+5*9 = 0
621*x-21*x+45+1080 = 0
600*x+45+1080 = 0
600*x+1125 = 0
(600*x+1125)/(3*9) = 0
(600*x+1125)/(3*9) = 0 // * 3*9
600*x+1125 = 0
600*x+1125 = 0 // - 1125
600*x = -1125 // : 600
x = -1125/600
x = -15/8
x = -15/8
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