(х-2 7\8)+3 5\6=4 2\3
(х-2 7\8)+3 5\6=4 2\3 Х-2 7/8=4 2/3-3 5/6 Х-2 7/8=10/6-5/6 Х=5/6+2 7/8 Х=2 20/24+21/24 Х=2 41/24 Х=3 17/24
(х-2 7\8)+3 5\6=4 2\3 x - 2 7/8 + 3 5/6 = 4 2/3 x = 4 2/3 + 2 7/8 - 3 5/6 x = 14/3 + 23/8 - 23/6 = 112/24 + 69/24 - 92/24 = (112 + 69 - 92)/24 = 89/24 = 3 17/24