х = 16/27
Пошаговое объяснение:
(5 – 3 3/8)•х = 26 /27
1 5/8*х = 26/27
13/8х = 26/27
х = 26/27 : 13/8
х = 26/27 * 8/13
1 5/8*16/27 = 26/27
13/8*16/27 = 26/27
26/27 = 26/27 - верно
