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27 April, 23:34

Solve for x. 3x - 1 = 20 - 7 - 7

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  1. 28 April, 02:44
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    3x - 1 = 20 - 7 - 7

    3x - 1 = 20

    3x - 1 + 1 = 20 + 1

    3x = 21

    3x/3 = 21/3

    x = 7
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