Respuesta :

Answer:

0

Step-by-step explanation:(-18)

- + - = +

So

(-18) + (18) is 0

Answer:

The answer would be 0.

Step-by-step explanation:

-18 - (18) = 0, because 0 can not ever be negative or positive.

It is the same as saying 18 - 18 which equals 0.