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7 January, 02:23

11 more than 5 of a certain number is 20 more than 2 times of that number, what is the number?

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  1. 7 January, 02:43
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    Let's say "the number" is the variable x

    Then, let's make equations that demonstrate the problem.

    11 more than 5 of a certain number is 20 more than 2 times of that number

    11 + 5x = 20 + 2x ← solve this for x

    5x = 9 + 2x

    3x = 9

    x = 3

    Therefore, the number is 3
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