х = 1/4
Пошаговое объяснение:
(3-5/7)*×=4/7
2 2/7 * х = 4/7
16/7х = 4/7
х = 4/7 : 16/7
х = 4/7 * 7/16
(3-5/7)*1/4=4/7
16/7*1/4 = 4/7
4/7 = 4/7 - верно
(3-5/7)*х=4/7
2 2/7х=4/7
х=4/7: 2 2/7
х=4/7*7/16
х=1/4
