Question

What is the opposite or additive inverse of a – b, where a and b are integers?

Answer 1

b-a may be??

Answer 2

By definition of additive inverse numbers, we add them together, we get additive identity, it is 0 , right?
hence a -b +(b-a) =0, Therefore (b-a) is additive inverse of (a-b)
That's all I know

Answer 3

Where does this problem come from? I meant which course?

Answer 4

thank you!