Решите уравнение: 8 5/7-x=4 9/14.

\[8\frac{5^{\backslash 2}}{7} - x = 4\frac{9}{14}\]

\[x = 8\frac{10}{14} - 4\frac{9}{14}\]

\[x = 4\frac{1}{14}.\]