Respuesta :

let the three consecutive numbers are,

a , a+ 1 , a+2

sum of the numbers = -9

a + a +1 + a + 2 = -9

3a + 3 = -9

3a = -9 - 3

3a = -12

a = -12/3

a = -4

so the least number is a = -4

thus the answer is -4.

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