Question

Taking a = -15 and b = -23, show that a + b = b + a but a - b ≠ b - a.​

Answer 1

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Answer 2

a = -15

b = -23

a+b = -38 = b+a

But,

a - b = 8

b - a = -8

8 is not equal to -8

Hence proved.

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