Решите уравнение: 1/3:x=-2/9.

\[\frac{1}{3}\ :x = - \frac{2}{9}\ \]

\[x = \frac{1}{3}\ :\left( - \frac{2}{9} \right)\]

\[x = - \frac{1 \cdot 9}{3 \cdot 2}\]

\[x = - \frac{3}{2}\]

\[x = - 1,5.\]