For 13 would you subtract because there's a negative and positive you always subtract and another question is would it be negative or positive

For 13 would you subtract because theres a negative and positive you always subtract and another question is would it be negative or positive class=

Respuesta :

Answer:

20

Step-by-step explanation:

  1. Whenever adding a positive to a negative, the answer will increase, it will be closer to zero and the positives than the original negative number.
  2. So, -10 + 30 = 30 - 10
  3. 30 - 10 = 20

I hope this helps!