Roberto says that the opposite of a certain integer is - 5. cindy concludes that the opposite of an integer is always negative. explain cindy's error

Integers are set of whole numbers and their counterparts, for example:

..., - 3, - 2, - 1, 0, 1, 2, 3, ...

If the given integer is below 0, then its opposite will be positive. Let's check it on the example:

Opposite of 5 is - 5 (so Cindy is right here)

But opposite of - 5 is 5 (so she's wrong)