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