Respuesta :

Answer:

positive, negative, positive

Step-by-step explanation:

  • -7-8+22
  • -15+22
  • +7

Hence, positive sign is correct.

  • 6-4+(-5)
  • 6-4-5
  • 6-9
  • -3

Hence, negative sign is correct.

  • -3+(-8)+12
  • -3-8+12
  • -11+12
  • +1

Hence, positive sign is correct .

#1

  • -7-8+22
  • -7+15
  • 8

Positive

#2

  • 6-4+(-5)
  • 2+(-5)
  • 2-5
  • -3

Negative

#3

  • -3+(-8)+12
  • -3+12-8
  • 9-8
  • 1

Positive