Решите уравнение: (28/31+x)-14/31=16/31.

Ответ:

\[\left( \frac{28}{31} + x \right) - \frac{14}{31} = \frac{16}{31}\]

\[\frac{28}{31} + x = \frac{16}{31} + \frac{14}{31}\]

\[\frac{28}{31} + x = \frac{30}{31}\]

\[x = \frac{30}{31} - \frac{28}{31}\]

\[x = \frac{2}{31}.\]