10. \( 1 \frac{6}{7} - y = \frac{3}{14} \)

Ответ:

\( y = 1 \frac{6}{7} - \frac{3}{14} = \frac{13}{7} - \frac{3}{14} = \frac{26}{14} - \frac{3}{14} = \frac{23}{14} \)