x - 8/15 = 4 1/5
x - 8/15 = 21/5
x = 21/5 + 8/15
x = 63/15 + 8/15
x = 71/15
x = 4 11/15
Пошаговое объяснение:
x - 8/15 = 4 1/5
x - 8/15 = 21/5
x = 21/5 + 8/15
x = 63/15 + 8/15
x = 71/15
x = 4 11/15
Пошаговое объяснение: