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12 August, 17:26

Which is the simplified version of 7x+12+3x=-6 (x-7) + 9x?

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  1. 12 August, 21:13
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    x=30/7

    Step-by-step explanation:

    7x+12+3x=-6 (x-7) + 9x

    10x+12=-6x+42+9x

    10x+12=3x+42

    10x-3x+12=42

    7x+12=42

    7x=42-12

    7x=30

    x=30/7
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