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8 August, 19:44

Martin has x cards

Christian has one card more then the double of Martin

Emilie has the triple of cards of Christian

Together they have 193 cards

How many cards do each of them have?

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  1. 8 August, 21:40
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    Answer: Marin has 21 cards, Christian has 43, Emilie has 129

    Martin: x cards

    Christian: 2x + 1

    Emilie: 3 (2x + 1) = 6x + 3

    x + 2x + 1 + 6x + 3 = 193

    9x + 4 = 193

    9x = 189

    x = 21

    2 • 21 + 1 = 43

    43 • 3 = 129
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