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Question
Verify a − (−b) = a + b for the following values of a and b.
a = 28, b = 11
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Solution
a = 28, b = 11
a − (−b) = 28 − (−11) = 28 + 11 = 39
a + b = 28 + 11 = 39
∴ a − (−b) = a + b = 39
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