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Question
Using a number line, evaluate:
(+5) – (-3)
Sum
Solution
(+5) – (-3)
Mark the points (+5) and (-3) on the same number line. We see that the position of (-3) is 8 units from (+5) to its right 3.
(+5) – (-3) = 5 + 3 = 8
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Identifying And Formulating Rules for Operations on Numbers.
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