Решите уравнение: -2/7*x=-1/3.

Ответ:

\[- \frac{2}{7}x = - \frac{1}{3}\text{\ \ \ \ \ \ }\]

\[x = - \frac{1}{3}\ :\left( - \frac{2}{7} \right)\]

\[x = \frac{1 \cdot 7}{3 \cdot 2}\]

\[x = \frac{7}{6}\]

\[x = 1\frac{1}{6}.\]