\[\frac{1}{9}x = - \frac{8}{27}\]
\[x = - \frac{8 \cdot 9}{27 \cdot 1} = - \frac{8 \cdot 1}{3 \cdot 1}\]
\[x = - \frac{8}{3}\]
\[Ответ:\ x = - 2\frac{2}{3}.\]