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30 October, 04:48

A CD and a DVD cost x dollars. If the CD costs $ (x-15), what does the DVD cost?

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  1. 30 October, 05:13
    0
    = $15

    Step-by-step explanation:

    CD + DVD = $x

    CD = $ (x - 15)

    (x - 15) + DVD = x

    DVD = x - (x - 15)

    Open the bracket

    DVD = x - x + 15

    DVD = $15
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