\[- 3 < \frac{5x + 2}{2} < 1\]
\[- 6 < 5x + 2 < 2\]
\[- 8 < 5x < 0\]
\[- 1,6 < x < 0\ \]
\[Ответ:x \in ( - 1,6;0).\]