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10 February, 11:46

How to check answer for 3 (2x-2) - 4 (x+7) + 20=-8

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  1. 10 February, 14:36
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    3 (2x-2) - 4 (x+7) + 20 = - 8 = > x = 13

    Step-by-step explanation:

    3 (2x-2) - 4 (x+7) + 20 = - 8

    6x-6 - (4x+28) + 20 = - 8

    6x-6-4x-28-20 = - 8

    6x-4x-6-28 = - 8

    2x - 34 = - 8

    2x - 34 + 34 = - 8 + 34

    2x = 26

    x = 13
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