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10 March, 18:06

3x=y y=9 Solve for x.

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Answers (2)
  1. 10 March, 18:17
    0
    x=3

    Step-by-step explanation:

    3x=y y=9

    fill y in with 9

    3x=9

    :3 : 3

    x=3
  2. 10 March, 18:30
    0
    x = 3

    Step-by-step explanation:

    3x = y

    y = 9

    Put y as 9 into the first equation and solve for x.

    3x = (9)

    Divide both sides by 3.

    x = 9/3

    x = 3
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