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13 December, 09:19

7 more than double a number is equal to five less than triple that number. What is that number?

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  1. 13 December, 09:34
    0
    12

    Explanation:

    You can solve this problem by setting up an equation.

    7 more that double a number is just 2x + 7

    Five less than triple that number is just 3x - 5

    Since they are equal to each other, you can set them equally to each other.

    2x + 7 = 3x - 5

    Solve.

    7 + 5 = 3x - 2x

    x = 12
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