\[\left\{ \begin{matrix} 4x < 12 \\ - x > - 5 \\ \end{matrix} \right.\ \text{\ \ \ \ \ \ \ \ }\left\{ \begin{matrix} x < 3 \\ x < 5 \\ \end{matrix} \right.\ \]
\[Ответ:x < 3.\mathbf{\text{\ \ \ }}\]