Question

m and n are both integers.
Select all the statements that are true if m and n are also equal to each other.
A. m - n = n - m
B. 0 = m - n
C. m + (-n) = m - n
D. m + n = 0
It is multiple choice.

Answer 1

A , Band C seem to be correct

Answer 2

I think (a) ,(b) and (c) I am not sure so please check the answer