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los números son x x+1 x+2 x+3
x + x+1 + x+2 + x+3 = 74
4x + 6 = 74
4x = 74 - 6
4x = 68
x = 68/4
x = 17
R/ Los números son 17, 18, 19 y 20
Planteamos la ecuación.
x + (x + 1) + (x + 2) + (x + 3) = 74
x + x + 1 + x + 2 + x + 3 = 74
4x + 6 = 74
4x = 74 - 6
4x = 68
x = 68/4
x = 17
Ahora lo sumas con los consecutivos.
x + 1 = 1 + 17 = 18
x + 2 = 1 + 17 = 19
x + 3 = 1 + 17 = 20
Los números son: 17, 18, 19 y 20.