Решите уравнение: 9/14+(x-3/7)=23/28.

\[\frac{9}{14} + \left( x - \frac{3}{7} \right) = \frac{23}{28}\]

\[x - \frac{3^{\backslash 4}}{7} = \frac{23}{28} - \frac{9^{\backslash 2}}{14}\]

\[x = \frac{23}{28} - \frac{18}{28} + \frac{12}{28}\]

\[x = \frac{17}{28}.\]