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8 November, 21:25

Which value of x makes the following equation true? 3 (x - 4) = - 2x + 18 A. 7 B. 9 C. 10 D. 6

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Answers (2)
  1. 8 November, 23:13
    0
    3 (x - 4) = - 2x + 18

    Basically, you need to solve for x

    3 (x - 4) = - 2x + 18

    3x - 12 = - 2x + 18

    +2x + 2x

    5x - 12 = 18

    +12 + 12

    5x = 30

    x = 6

    Answer: The value that makes this equation true would be 6.
  2. 9 November, 00:40
    0
    3x-12=-2x+18 (distributive property)

    Now add two x to both sides.

    5x-12=18

    Now add. 12 to both sides.

    5x=30

    Divide both sides by 5.

    x=6
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