-5+\frac{14}{-29}

\frac{-19}{15}+\frac{10}{9}

\frac{4}{-7}+\frac{-3}{20}

\frac{-1}{3}+\frac{1}{7}

\frac{13}{-14}+\frac{7}{10}

9\cdot \frac{-14}{13}

\frac{-3}{10}\cdot \frac{7}{15}

\frac{\frac{-2}{-5}}{\frac{1}{7}}=

\frac{\frac{1}{-2}}{\frac{2}{7}}=

\frac{2}{\frac{1}{7}}=

\frac{\frac{9}{19}}{17}=

\frac {-17}{-5} = \frac {\editable {} }{-20}

\frac {2}{-7} = \frac {18}{\editable {} }

\frac {-30}{39} = \frac {\editable {} }{13}

\frac {-6}{8} = \frac {-3}{\editable {} }

Simplifica la expresion algebraica

\frac{-45 x - 35 y}{20}

Simplifica la expresion algebraica

\frac{-64 x - 72 y}{40}

Simplifica la expresion algebraica

14 - 9 \cdot \frac{-9 - 6 x}{9}

Simplifica la expresion algebraica

33 - 30 \cdot \frac{20 + 10 x}{10}

Simplifica la expresion algebraica

5 - 2 \cdot \frac{17 - 3 x}{2}