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10*x-(10*x)-(x*((18*y)/8))+13*56*x*y+((91*y)/18)*y = 0
10*x-10*x+(-9/4)*x*y+13*56*x*y+((91*y)/18)*y = 0
2903/4*x*y+91/18*y^2 = 0 // - 91/18*y^2
2903/4*x*y = -(91/18*y^2) // : 2903/4*y
x = (-(91/18*y^2))/(2903/4*y)
x = -182/26127*y
x = -182/26127*y
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