\[\left\{ \begin{matrix} - 5x > - 4 \\ 4x > 1\ \ \ \ \ \ \\ \end{matrix} \right.\ \text{\ \ \ \ \ \ \ \ \ \ }\left\{ \begin{matrix} x < \frac{4}{5} \\ x > \frac{1}{4} \\ \end{matrix} \right.\ \]
\[Ответ:x \in \left( \frac{1}{4};\frac{4}{5} \right).\]