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14 February, 17:58

8x-21+117-x=180 find x

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  1. 14 February, 19:42
    0
    8x-x-21+117=180

    7x+91=180

    180-91=7x

    89=7x

    X=89/7

    X=12.71428571429
  2. 14 February, 20:50
    0
    Combine like terms: 7x+96=180

    Bring x to one side: 7x=84

    Divide by 7: x=12
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