(f) (– 2) + 8 + (– 4) means we have to move 8 steps to the right of -2, and then we again have to move 4 steps to the left, which gives us 2 as the answer. (e) (-1) + (-2) + (-3) means we have to move 2 steps to the left of -1, and then we again have to move 3 steps to the left, which gives us -6 as the answer.
(d) (- 5) + 10 means we have to move 10 steps to the right of -5, which gives us 5 as the answer. (c) (-1) + (-7) means we have to move 7 steps to the left of -1, which gives us -8 as the answer. (b) 5 + (-11) means we have to move 11 steps to the left of 5, which gives us -6 as the answer. (a) 9 + (-6) means we have to move 6 steps to the left of 9, which gives us 3 as the answer. We use the concepts of positive and negative integers on a number line to add the given integers.
Use number line and add the following integers :
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