\[\left\{ \begin{matrix} 4x - 7 > 6x - 1 \\ 5x + 3 < 8x - 3 \\ \end{matrix} \right.\ \text{\ \ \ \ \ \ \ \ \ \ \ }\]
\[\left\{ \begin{matrix} - 2x > 6\ \ \ \\ - 3x < - 6 \\ \end{matrix} \right.\ \text{\ \ \ \ \ \ \ \ }\]
\[\left\{ \begin{matrix} x < - 3 \\ x > 2\ \ \ \\ \end{matrix} \right.\ \]
\[Ответ:нет\ решений.\]