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13 December, 12:52

Negative 12x - 15 - 8x = 85

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Answers (2)
  1. 13 December, 13:28
    0
    -12x-15-8x=85 (first combine like terms)

    -20x-15=85 (now add 15 to 85, to get x by itself)

    -20x=100 (now divide 100 by negative 20)

    x=-5
  2. 13 December, 15:23
    0
    It is 85 because 12 minus 15 minus 8 times equals 85
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