112k views
1 vote
Why does -30 - - 50 equal 20? What steps are being done?

User Rawle
by
7.8k points

2 Answers

1 vote

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

User Zooes
by
6.0k points
3 votes
Two negatives equal a positive, so its just like subtracting 50 and 30, but your answer will be a positive.
User VinceGreg
by
6.5k points