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21 September, 18:51

Ben has 4 more than twice cd's as a jake. If they have total of 31 cd's how many cd's does jake have

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  1. 21 September, 19:08
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    Answer: j = 9 (# od CDs Jake has)

    Step-by-step explanation: Equations::

    b + j = 31 CDs

    b = 2j+4

    Substitute for "b" and solve for "j":

    2j+4 + j = 31

    3j = 27
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