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Question
Verify a − (−b) = a + b for the following values of a and b.
a = 75, b = 84
Solution
a = 75, b = 84
a − (−b) = 75 − (−84) = 75 + 84 = 159
a + b = 75 + 84 = 159
∴ a − (−b) = a + b = 159
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