Verified answer

Ответ:

2

Объяснение:

х/6 - x/10 = 2/15

(1/6 - 1/10) * х = 2/15

(5/30 - 3/30) * х = 2/15

2/30 * х = 2/15

1/15 * х = 2/15

х = 2/15 : 1/15

х = 2/15 * 15

х = 2