Question

подскажите как решить уравнение ​

Answer 1

$\frac{2}{7} x = 6 \frac{2}{7} \\ x = \frac{6 \times 7 + 2}{7} \div \frac{2}{7} \\ x = \frac{44}{7} \div \frac{2}{7} \\ x = \frac{44}{7} \times \frac{7}{2} \\ x = 22$

проверяем:

$\frac{2}{7} \times 22 = 6 \frac{2}{7} \\ \frac{44}{7} = \frac{6 \times 7 + 2}{7} \\ \frac{44}{7} = \frac{44}{7}$