(х - 17 1/9) - 4 5/12 =19 17/18

(х - 17 1/9) - 4 5/12 =19 17/18,х - 17 1/9 = 19 17/18 + 4 5/12,х - 17 1/9 = 19 34/36 + 4 15/36,х - 17 1/9 = 23 49/36,х - 17 1/9 = 24 13/36,х = 24 13/36 + 17 1/9,х = 24 13/36 + 17 4/36,х = 41 17/36