\[\left\{ \begin{matrix} 7x - 2 > x + 20 \\ 6x - 1 \leq 4x + 7 \\ \end{matrix} \right.\ \text{\ \ \ \ \ \ \ \ }\]
\[\left\{ \begin{matrix} 6x > 22 \\ 2x \leq 8\ \ \ \\ \end{matrix} \right.\ \text{\ \ \ \ \ }\]
\[\left\{ \begin{matrix} x > 3\frac{2}{3} \\ x \leq 4\ \ \ \ \\ \end{matrix} \right.\ \]
\[Целые\ решения:4.\]
\[Ответ:1.\]