\frac{-30 x + 20 y}{20}

\frac{-72 x + 40 y}{-40}

\frac{-24 x + 30 y}{24}

\frac{-18 x + 45 y}{45}

\frac{-70 x + 77 y}{-21}

\frac{15 x + 40 y}{25}

\frac{-35 x + 40 y}{-15}

\frac{28 x - 21 y}{-14}

\frac{-20 x - 30 y}{10}

\frac{20 x + 14 y}{6}

\frac{-24 x + 20 y}{12}

\frac{63 x - 70 y}{21}

\frac{42 x - 60 y}{30}

\frac{-18 x + 24 y}{-6}

\frac{-12 x - 16 y}{-8}

\frac{20 x - 90 y}{-40}

\frac{70 x + 21 y}{28}

\frac{-6 x + 14 y}{-4}

\frac{-30 x - 24 y}{-18}

\frac{32 x - 36 y}{-12}

\frac{40 x + 24 y}{24}

\frac{-32 x - 24 y}{-24}

\frac{-10 x - 16 y}{4}

\frac{-45 x - 50 y}{20}

\frac{12 x + 30 y}{-24}

\frac{80 x - 24 y}{16}

\frac{8 x + 36 y}{-20}

\frac{-28 x + 20 y}{8}

\frac{-21 x - 6 y}{12}

\frac{-12 x - 10 y}{-4}