(x - 5/6) (5/12) = 10/20(x - 5/6) (5/12) = 1/2(x - 5/6) * 5 = 65x - 25 = 65x = 31x = 31/5
Ответ: x = 31/5
(x - 5/6) (5/12) = 10/20
(x - 5/6) (5/12) = 1/2
(x - 5/6) * 5 = 6
5x - 25 = 6
5x = 31
x = 31/5
Ответ: x = 31/5