(3\5 x +1 1\5) : 2 2\9 = 1 1\4 ответ пожалуйста

(3/5 х + 1 1/5) : 2 2/9 = 1 1/43/5 х + 1 1/5 = 1 1/4 * 2 2/9 = 5/4 * 20/9 = 25/93/5 х = 25/9 - 1 1/5 = 25/9 - 6/5 = (125-54) / 45 = 71/45х = 71/45 : 3/5 = 71/45 * 5/3 = 71/27 = 2 17/27