Question

Here are six numbers

-7 -5 -3 3 1 -1
arrange the cards into three pairs with the same total

Answer 1

I think this should be the answer
-7+3=-4
-5+1=-4
-3-1=-4

Answer 2

-7 and 3

-5 and 1

-3 and -1

Explanation:

-7 + 3 = -4

-5 + 1 = -4

-3 + -1 = -4