Question

решить уравнение (85/54-х)+8/9=25/27

Answer 1

(85/54 - х) + 8/9 = 25/27

85/54 - х = 25/27 - 8/9

85/54 - х = 25/27 - 24/27

85/54 - х = 1/27

х = 85/54 - 1/27

х = 85/54 - 2/54

х = 83/54

Проверка: (85/54 - 83/54) + 48/54 = 50/54 = 25/27