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6 December, 08:16

What is the value of x in the equation 3*-4y=65, when y=4?

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Answers (2)
  1. 6 December, 08:29
    0
    x = 27

    Step-by-step explanation:

    1. Plug in the y:

    3x - 4 (4) = 65

    2. Simplify

    3x - 16 = 65

    3. Switch the sign of the 16 and move it to the other side of the equal sign.

    3x = 81

    4. Divide the 3 on both sides

    3x/3 (cancels out)

    81 / 3

    x = 27

    5. Plug the x value in with the y value to double check your answer.

    3 (27) - 4 (4) = 65

    81 - 16 = 65
  2. 6 December, 09:40
    0
    X = 27

    3x-4 (4) = 65

    3x-16=65

    +16 + 16

    3x=81

    /3 / 3

    X = 27
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