Question

negative twenty-one minus negative twenty-one equals what value

Answer 1

-21 - -21...instead of subtracting , add them and see what you get

Answer 2

so positive 42

Answer 3

No

Answer 4

They cancel each other out...try again and tell me what you get

Answer 5

negative 21 ....
or 0

Answer 6

0 Good job :)

Answer 7

thanks you and thanks for the help

Answer 8

You're welcome