1/6-х=-4/18 -5/12-х=1/6 -4/5+х=5/6
1) 1/6 - x = -4/18 x = 1/6 + 4/18 = 3/18 + 4/18 = 7/18 2) -5/12 - x =1/6 x = -5/12 - 1/6 = -5/12 - 2/12 = -7/12 3) -4/5 + x = 5/6 x = 5/6 + 4/5 = 25/30 + 24/30 = 49/30 = 1 19/30