Why does -30 - - 50 equal 20? What steps are being done?

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

A

Step-by-step explanation:

the h value tells the horizontal translation and the k value tells the vertical translation