1 9/26*(14,3-9 5/6):(-1/2)+14

1) 14,3 - 9 5/6 = 14 3/10 - 9 5/6 = 14 9/30 - 9 25/30 = 4 14/30 = 4 7/15
2) 1 9/26 * 4 7/15 = 35/26 * 67/15 = 469/78
3) 469/78 : (-1/2) = -468/39 = -12
4) -12+14=2