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5 November, 06:35

Khloe is thinking of a number that is 2 times the value of Carl's number. Khloe's number is also 2 more than 4 times the value of Carl's number. What is Khloe's number?

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  1. 5 November, 10:28
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    Lets x is Carl's number

    Khloe is thinking of a number that is 2 times the value of Carl's number = 2x

    Khloe's number is also 2 more than 4 times the value of Carl's number: 4x + 2

    4x + 2 = 2x

    2x = - 2

    x = - 1

    Carl's number = - 1

    Khloe's number = 2 (-1) = - 2

    double check:

    4x + 2 = 4 (-1) + 2 = - 2

    answer: Khloe's number is - 2
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