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Question
Use the number line and add the following integers:
9 + (−6)
Diagram
Solution
On the number line, we start from 0 and move 9 steps to the right to reach a point A. Now, starting from A, we move 6 steps to the left to reach point B.
B represents the integer 3.
∴ 9 + (−6) = 3
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Say true or false.
The quotient of two integers having opposite sign is a negative integer
Add without using a number line:
(–13) + (+18)
Add without using a number line:
(–10) + (+19)
