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7 January, 01:07

Add 28 + (-7) using the number line.

Select the location on the number line to plot the sum.

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

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Answers (1)
  1. 7 January, 02:52
    0
    21

    Step-by-step explanation:

    7 units to the left of 28 on the number line is the number 21.
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