\[\left\{ \begin{matrix} 12x + 23 \geq 3x - 4 \\ 5x + 2 \geq 8x - 6\ \ \ \ \ \\ \end{matrix} \right.\ \text{\ \ \ \ }\]
\[\left\{ \begin{matrix} 9x \geq - 27 \\ 3x \leq 8\ \ \ \ \ \\ \end{matrix} \right.\ \text{\ \ \ \ \ }\]
\[\left\{ \begin{matrix} x \geq - 3 \\ x \leq 2\frac{2}{3} \\ \end{matrix} \right.\ \]
\[Целые\ решения:\ - 3, - 2,\ - 1,\ 0,\ \]
\[1,\ 2.\]
\[Ответ:6.\]