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16 June, 06:54

Brandy has a collection of comic books. If she adds 15 to the number of comic books in her collection and

multiplies the sum by 3, the result will be 65 less than 4 times the number of comic books in her collection. How

many comic books are in her collection?

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Answers (1)
  1. 16 June, 10:51
    0
    Let the collection of comic books be x.

    4 times the number of comic books in her collection = 4x

    3 (x + 15) = 4x - 65

    3x + 45 = 4x - 65

    45 + 65 = 4x - 3x (move all the similar variables to one side of the equation)

    x = 110

    ans : 110
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