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6 October, 19:32

What is the answer to this problem 4d - - 1 = 13

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Answers (2)
  1. 6 October, 19:48
    0
    4d - (-1) = 13 Original Problem

    + 1 = + 1 Trying to isolate d

    4d = 14 Div. by 4, both sides

    - - - -

    4 4

    d = 3.5 Answer
  2. 6 October, 19:55
    0
    minus a negative number meand that u are adding its inverse so the equation would look like 4d+1=13. from there u isolate d

    4d+1=13

    -1 - 1

    4d=12

    d=3
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