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Question
Find the value of –3 – (– 4) using number line
Sum
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Solution
We start at zero facing positive direction.
Move 3 units backward to represent (−3).
Then turn towards the negative side and move 4 units backwards.
We reach +1.
∴ (– 3) – (– 4) = +1
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Chapter 1: Number System - Exercise 1.2 [Page 14]
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