Пошаговое объяснение:
(х-17 11/19)+4= 9 1/2
x - 17 11/19 = 9 1/2 - 4
x - 17 11/19 = 5 1/2
x = 5 1/2 + 17 11/19
x = 5 19/38 + 17 22/38
x = 22 41/38
x = 23 3/38
Пошаговое объяснение:
(х-17 11/19)+4= 9 1/2
x - 17 11/19 = 9 1/2 - 4
x - 17 11/19 = 5 1/2
x = 5 1/2 + 17 11/19
x = 5 19/38 + 17 22/38
x = 22 41/38
x = 23 3/38