ОДЗ
x ≠ 0 ; x ≠ 2
x - 2 + x = 12 x(x - 2) /35
35x - 70 + 35x = 12x^2 - 24x
70x - 70 = 12x^2 - 24x
12x^2 - 24x - 70x + 70 = 0
12x^2 - 94x + 70 = 0
D = 47*47 - 70*12 = 1369 = 37^2
x1 = (47 + 37)/12 = 84/12 = 7
x2 = (47 - 37)/12 = 10/12 = 5/6
Ответ
5/6; 7