\[- 2 < \frac{2x + 3}{3} < 1\]
\[- 6 < 2x + 1 < 3\]
\[- 7 < 2x < 2\]
\[- 3,5 < x < 1\]
\[Ответ:\ x \in ( - 3,5;1).\]