Essay
Write the word or phrase that best completes each statement or answers the question.
-Sheila notes that if a = 20 and b = 20, then a - b = b - a = 0. She concludes that for any real
numbers a and b, a - b = b - a . Do you agree with her reasoning? If not, why not?
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a - b is not equal to b - a for any a an...View Answer
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