Which expression correctly shows the sum of opposite numbers

(-25) + (-25) = 0
(-25) + (-25) = -50
(-25) + 25 = 50
(-25) + 25 = 0

1 answer

The expression that correctly shows the sum of opposite numbers is:

\((-25) + 25 = 0\)

This is because the number -25 is the opposite of +25, and their sum equals zero.