Question

Verify commutative property holds true for addition and does not hold true for subtraction with an example
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Answer 1

$a + b \: = \: b \: + \:a$

a) 8 + (-11) = -3

-11 + 8 = -3

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• • 8 + (-11) = -11 +8

$a \: - \: b \ \: is \: no \: equal \: to \: b - \: a$

b) 9 - 14 = -5 & 14 -9 = 5

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• • 9 -14 is not equal to 14 - 9