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Algebra

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Bill has 12 more than three times the number of baseball cards Chyris has. Bill has 42 cards more than Chris. How many baseball cards does Chris have?

  • Algebra - ,

    Chris = X cards
    Bill = 3X + 12 cards.

    X + (3X +12) = (X + 42) + X
    4X - 2X = 42 - 12
    2X = 30
    X = 15 cards

  • Algebra - ,

    Chris --x
    Bill --- x+42

    "Bill has 12 more than three times the number of baseball cards Chyris has" ---> x+42 = 3x + 12

    solve

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