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Why is subtraction the exact opposite of addition?

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Substraction is per definition addition with the inverse element. An inverse element is the element that when added to the element you have results in the neutral element. read more

Subtraction of a number will be shown to be "the same thing as" addition of that number's opposite. Following several examples, variables will be utilized to create a formula which states that every subtraction is equivalent to addition of the opposite. read more

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