(x + 2 1/6) + 3 1/3 = 2.5(x + 13/6) + 10/3 = 5/2(x + 13/6) + 10/3 = 5/2x + 13/6 = 5/2 - 10/3x + 13/6 = 15/6 - 20/6x + 13/6 = -5/6x = -5/6 - 13/6x = -18/6x = -3
Ответ: x = -3
(x + 2 1/6) + 3 1/3 = 2.5
(x + 13/6) + 10/3 = 5/2
(x + 13/6) + 10/3 = 5/2
x + 13/6 = 5/2 - 10/3
x + 13/6 = 15/6 - 20/6
x + 13/6 = -5/6
x = -5/6 - 13/6
x = -18/6
x = -3
Ответ: x = -3