Question

решите уравнение .8 6\7 - х=4 2\7

Answer 1

Ответ:

$8 \frac{6}{7} - x = 4 \frac{2}{7} \\ x = 8 \frac{6}{7} - 4 \frac{2}{7} \\ x = 4 \frac{4}{7} \\ 8 \frac{6}{7} - 4 \frac{4}{7} = 4 \frac{2}{7}$