Respuesta :

x + (x + 1) + (x + 2) = -54

x + x + 1 + x + 2 = -54

3x = -54 - 3

3x = -57

x = -57/3

x = -19

x + 1 = -19 + 1 = -18

x + 2 = -19 + 2 = -17

The numbers are = - 17, -18, -19