15 8/19 + X = 4 5/14 + 1 9/14

15 8/19 + X = 4 5/14 + 1 9/14X = 4 5/14 + 1 9/14 - 15 8/19X =  61/14  + 23/14 - 293/19 X = 1596/266 - 4102/266 X = - 2506/266  X = - 9  112/266 = - 9 56/133 = - 9 8/19