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26 August, 03:50

How to solve 7 + (-15) + 12

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Answers (2)
  1. 26 August, 04:03
    0
    7 + (-15) + 12

    First, simplify brackets. / Your problem should look like: 7 - 15 + 12.

    Second, simplify. / Your problem should look like: 4.

    Answer: 4
  2. 26 August, 05:39
    0
    7 + (-15) + 12

    Adding a negative number is the same as simply subtracting it.

    7-15+12

    7 - 15 = negative 8 (use a number line)

    -8 + 12 = 4 (use a number line)
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