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8 January, 11:59

3x-4y=65? What is the value of x? When y=4

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Answers (2)
  1. 8 January, 12:03
    0
    16.3=x this is my guess
  2. 8 January, 12:07
    0
    1. Substitute 7 with 4

    3x - 4 (4) = 65

    3x - 16 = 65

    2. Solve

    3x - 16 = 65

    +16 + 16

    3x = 81

    3 3

    x = 27

    3. Check (Optional)

    3 (27) - 4 (4) = 65

    81 - 16 = 65

    65 = 65
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