ответ:(Х - 1 8/23) + 3 19/23 = 5 12/23
Х - 1 8/23 = 5 12\23 - 3 19\23
Х - 1 8/23 = 1 16/23
Х = 1 16/23 +1 8/23
Х = 3 1/23
ответ:(Х - 1 8/23) + 3 19/23 = 5 12/23
Х - 1 8/23 = 5 12\23 - 3 19\23
Х - 1 8/23 = 1 16/23
Х = 1 16/23 +1 8/23
Х = 3 1/23