Question

4. Решите уравнение.
(8 11/14-y)+2/7=5 9/14​

Answer 1

$(8 \frac{11}{14} - y) + \frac{2}{7} = 5 \frac{9}{14} \\ y = 8 \frac{11}{14} + \frac{4}{14} - 5 \frac{9}{14} \\ y = 8 \frac{15}{14} - 5 \frac{9}{14} \\ y = 3 \frac{6}{14} = 3 \frac{3}{7}$