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31 August, 02:59

What is the value of x in the equation 3 x minus 4 y equals 65, when y equals 4?

x equals 13 and one-fourth

x equals 21 and two-thirds

+3
Answers (2)
  1. 31 August, 03:22
    0
    When y equals 4, x equals 27 but none of the answers given is correct.

    Step-by-step explanation:

    Let's solve for x in the equation 3x - 4y = 65, this way:

    y = 4

    3x - 4y = 65

    3x - 4 (4) = 65

    3x - 16 = 65

    3x = 65 + 16

    3x = 81

    x = 81/3

    x = 27

    When y equals 4, x equals 27 but none of the answers given is correct.
  2. 31 August, 03:59
    0
    Answer: D. x=27

    Step-by-step explanation:

    y = 4

    3x - 4y = 65

    3x - 4 (4) = 65

    3x - 16 = 65

    3x = 65 + 16

    3x = 81

    x = 81/3

    x = 27 <==
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