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29 April, 02:16

Whats x if 7x - 9 = 12

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  1. 29 April, 03:35
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    x=3

    Step-by-step explanation:

    7x - 9 = 12

    Add 9 to each side

    7x - 9+9 = 12+9

    7x = 21

    Divide each side by 7

    7x/7 = 21/7

    x = 3
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