ANSWER:
The definition is in the step by step
STEP-BY-STEP EXPLANATION:
The opposite of a number is the number that, when added to it, results in the number 0.
Every integer number has its opposite.
The opposite of a number has the same absolute value, but the opposite sign.
Which means that a pair of opposite integers are the negative and positive versions of a number together, for example, 3 and -3 are a pair of opposite integers.