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15 July, 09:43

Evaluate:

a = - 3, b = 1, and c = - 4

-21-c

+4
Answers (2)
  1. 15 July, 11:57
    0
    -17

    Step-by-step explanation:

    - 21 - c

    Put c as - 4.

    - 21 - (-4)

    The negative signs cancel.

    - 21 + 4

    Add both the terms.

    = - 17
  2. 15 July, 13:42
    0
    -17

    Step-by-step explanation:

    -21-c

    Let c = - 4

    -21 - - 4

    Subtracting a negative is like adding

    -21 + 4

    -17
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