Question

2. Решите уравнение (x - 1 2/5) : 10+7 5/12=9

Answer 1

(x - 1 2/5) : 10 = 9 - 7 5/12
(x - 1 2/5) : 10 = 1 7/12
x - 1 2/5 = (19/12)*10
x - 1 2/5 = 95/6
x - 1 2/5 = 15 5/6
х = 15 5/6 + 1 2/5
х=517/30
х = 17 7/30.

Answer 2

Ответ: 17 7/30
Решение прилагаю