Question

Найдите корень уравнения:
4/7 х = 7 3/7

Answer 1

4/7 х = 7 3/7
х = 7 3/7 : 4/7
х = 52/7 * 7/4
х = 13

Answer 2

$\frac{4}{7} x=7 \frac{3}{7} \\ \\ \frac{4}{7} x= \frac{52}{7} \\ \\ x= \frac{52}{7} / \frac{4}{7} \\ \\ x= \frac{52*7}{7*4} \\ \\ x=13$