Решите уравнение: 1 3/14-y=2 7/10.

\[1\frac{3}{14} - y = 2\frac{7}{10}\]

\[y = 1\frac{3^{\backslash 5}}{14} - 2\frac{7^{\backslash 7}}{10}\]

\[y = 1\frac{15}{70} - 2\frac{49}{70}\]

\[y = - 1\frac{34}{70} = - 1\frac{17}{35}.\]