6 17/27:(х-76 2/9)=1 2/3
X - 76 2/9 = 6 17/27 : 1 2/3 х - 76 2/9 = 179/27 * 3/5 х - 76 2/9 = 179/45 х - 76 2/9 = 3 14/45 х = 3 14/45 + 76 2/9 х = 2 14/45 + 76 10/45 х = 78 24/45 = 78 8/15