(1 7/8*х - 2 1/6)*24 = 8
1 7/8*х - 2 1/6 = 8/24
1 7/8*х - 2 1/6 = 1/3
1 7/8*х = 1/3 + 2 1/6
1 7/8*х = 5/2
х = 5/2 : 1 7/8 = 5/2 : 15/8 = 5/2 * 8/15 = 4/3
ответ: х = 4/3
(1 7/8*х - 2 1/6)*24 = 8
1 7/8*х - 2 1/6 = 8/24
1 7/8*х - 2 1/6 = 1/3
1 7/8*х = 1/3 + 2 1/6
1 7/8*х = 5/2
х = 5/2 : 1 7/8 = 5/2 : 15/8 = 5/2 * 8/15 = 4/3
ответ: х = 4/3