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Today, 17:18

Find the sum or difference: 2.8 - - 5.1

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Answers (2)
  1. Today, 18:03
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    2.8 - (-5.1)

    - (-5.1) = 5.1

    2.8+5.1 = 7.9

    Is this what you were asking?
  2. Today, 19:13
    0
    Subtracting means adding the opposite. Subtracting - 5.1 means adding the opposite of - 5.1 which is + 5.1.

    2.8 - (-5.1) = 2.8 + (+5.1) = 2.8 + 5.1 = 7.9
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