9/16
Пошаговое объяснение:
x + 3/16 - 1/5 = 11/20
x + 15/80 - 16/80 = 44/80
x - 1/80 = 44/80
x = 44/80 + 1/80
x = 45/80
x = 9 / 16
9/16
Пошаговое объяснение:
x + 3/16 - 1/5 = 11/20
x + 15/80 - 16/80 = 44/80
x - 1/80 = 44/80
x = 44/80 + 1/80
x = 45/80
x = 9 / 16