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25 October, 11:18

If the sum of a number and seven is tripled, the result is three less than twice the number. Find the number

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  1. 25 October, 11:32
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    x = - 24

    Step-by-step explanation:

    3 (x + 7) = 2x - 3

    3 * x = 3x

    3 * 7 = 21

    3x + 21 = 2x - 3

    -21 - 21

    3x = 2x - 24

    -2x - 2x

    x = - 24
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