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The (not th) definition (not defition) of opposite integers are integers that are equal in their [absolute] value but have different signs. So, for example, the opposite of +4 is -4, and the opposite of -5 is +5.
The numbers 1,2,3,... etc are called natural numbers or counting numbers. Integers are the natural numbers plus zero plus the negative ( or opposite ) natural numbers. Why do we need negative natural numbers ? For one thing x + 1 = 0 is an equation whose solution is x = -1. We could not solve this equation if we did not have negative integers. So over history these negative numbers came about as a way to solve certain math problems. The numbers 1,2,3,... etc are called natural numbers or counting numbers. Integers are the natural numbers plus zero plus the negative ( or opposite ) natural numbers. Why do we need negative natural numbers ? For one thing x + 1 = 0 is an equation whose solution is x = -1. We could not solve this equation if we did not have negative integers. So over history these negative numbers came about as a way to solve certain math problems.
Opposite integers have the same magnitudes, but different signs. Examples of an opposite integers: 10 and -10, -298 and 298.
Integers are whole numbers: 1, 2, 3, and so on. Example: 1 + 1 = 2 (one plus one equals two).
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