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20 - 4x = 2 (4 - 8x) This needs solving

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  1. Today, 09:40
    0
    20 - 4x = 2 (4 - 8x)

    Make sure to do the parentheses first or factor out first

    20 - 4x = 8 - 16x

    add 16x to both sides

    20 + 12x = 8

    Subtract 20

    12x = - 12

    Divide by 8

    x = - 1
  2. Today, 10:00
    0
    x=-4

    Step-by-step explanation:

    20-4x=4-8x

    move variable to the left side and change its sign:

    20-4x+8x=4

    -4x+8x=4-20

    4x=4-20

    4x=-16-Divide both sides of the equation by 4

    x=-4
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