Subtraction is one of the four basic Arithmetic Operations. It is the opposite of addition. Subtraction represents the operation of removing a quantity called the subtrahend, from another one called the minuend. The result is called the difference. This operation is represented using the minus sign −
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Subtraction is not commutative, this means that the order in which subtraction is performed matters, as this leads to a different result. 5−33−5=2=-2