(5.7 + 8.8) / 2.9 + x / 10.1 = 9
14.5 / 2.9 + x / 10.1 = 9
5 + x / 10.1 = 9
x / 10.1 = 4
x = 4 * 10.1
x = 40.4
Ответ: x = 40.4
(5.7 + 8.8) / 2.9 + x / 10.1 = 9
14.5 / 2.9 + x / 10.1 = 9
5 + x / 10.1 = 9
x / 10.1 = 4
x = 4 * 10.1
x = 40.4
Ответ: x = 40.4