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28 December, 09:30

What is the answer to 4 (x + - 7) + 12=20

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  1. 28 December, 09:41
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    4 (x - 7) + 12 = 20

    4 (x) - 4 (7) + 12 = 20

    4x - 28 + 12 = 20

    4x - 16 = 20

    + 16 + 16

    4x = 36

    4 4

    x = 9
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