\[- \frac{6}{17} < x < - \frac{5}{17}\]
\[- \frac{6 \cdot 3}{51} < x < - \frac{5 \cdot 3}{51}\]
\[- \frac{18}{51} < x < - \frac{15}{51}\]
\[x = - \frac{17}{51} = - \frac{1}{3};\ \ - \frac{16}{51}.\]
\[Ответ:\ - \frac{1}{3};\ - \frac{16}{51}\text{.\ \ }\]