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8 June, 17:40

Which expression has a simplified expression of 5 x - 12? 3 (4 x - 4) - 7 x - 3 (4 x - 4) - 7 x 3 (-4 x + 4) - 7 x - 3 (-4 x - 4) - 7 x

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  1. 8 June, 17:56
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    3 (4 x - 4) - 7 = 5 x - 12

    Step-by-step explanation:

    Simplify the following:

    3 (4 x - 4) - 7 x

    3 (4 x - 4) = 12 x - 12:

    12 x - 12 - 7 x

    Grouping like terms, 12 x - 7 x - 12 = (12 x - 7 x) - 12:

    (12 x - 7 x) - 12

    12 x - 7 x = 5 x:

    Answer: 5 x - 12
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