x + 8(5/6) = 10(1/3)
x = 10(1/3) - 8(5/6)
x = 1(1/2)
Проверка:
1(1/2) + 8(5/6) = 10(1/3)
10(1/3) = 10(1/3) - верно.
x + 8(5/6) = 10(1/3)
x = 10(1/3) - 8(5/6)
x = 1(1/2)
Проверка:
1(1/2) + 8(5/6) = 10(1/3)
10(1/3) = 10(1/3) - верно.