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Which equation is true?

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4d = 4 – 5d
4d = 4 – 9d
4d = 26 – 5d
4d = 26 – 9d




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1 Answer

  1. To solve the equations involving “d,” let’s tackle each one step-by-step.

    1. 4d = 4 – 5d

    Add 5d to both sides:

    4d + 5d = 4

    9d = 4

    Now, divide by 9:

    d = 4/9

    2. 4d = 4 – 9d

    Add 9d to both sides:

    4d + 9d = 4

    13d = 4

    Now, divide by 13:

    d = 4/13

    3. 4d = 26 – 5d

    Add 5d to both sides:

    4d + 5d = 26

    9d = 26

    Now, divide by 9:

    d = 26/9

    4. 4d = 26 – 9d

    Add 9d to both sides:

    4d + 9d = 26

    13d = 26

    Now, divide by 13:

    d = 2

    To summarize:
    1. d = 4/9
    2. d = 4/13
    3. d = 26/9
    4. d = 2

    If you have further

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