Respuesta :

Two negatives equal a positive, so its just like subtracting 50 and 30, but your answer will be a positive.

Answer:

Step-by-step explain

1. 30-50=20

2. Two negatives equal a positive

So first you subtract 30 by 50 and get 20 then you look at the signs which are both negative. Meaning both of the negative signs become a positive. (-30)-(-50)=20