Пошаговое объяснение:
5 4/7 + (4 6/7 + x) = 10 3/7
5 4/7 + 4 6/7 + x = 10 3/7
9 10/7 + x = 10 3/7
x = 10 3/7 - 9 10/7
x = 10 3/7 - 10 3/7
x = 0
Пошаговое объяснение:
5 4/7 + (4 6/7 + x) = 10 3/7
5 4/7 + 4 6/7 + x = 10 3/7
9 10/7 + x = 10 3/7
x = 10 3/7 - 9 10/7
x = 10 3/7 - 10 3/7
x = 0