\[\left\{ \begin{matrix} 2x + 7 < 19 \\ 30 - 8x < 6 \\ \end{matrix} \right.\ \]
\[\left\{ \begin{matrix} 2x < 12\ \ \ \ \ \ \ \\ - 8x < - 24 \\ \end{matrix} \right.\ \]
\[\left\{ \begin{matrix} x < 6 \\ x > 3 \\ \end{matrix} \right.\ \]
\[3 < x < 6.\]
\[Ответ:3 < x < 6.\]