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24 May, 23:15

3x-4 when x = 7 how do I do this equation I'm confused

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Answers (2)
  1. 24 May, 23:57
    0
    Plug the 7 in where it says x.

    3x-4

    3 (7) - 4

    21-4

    17
  2. 25 May, 00:21
    0
    17.

    Step-by-step explanation:

    1. Plug in 7 for x.

    2. 3 (7) - 4

    3. 3 times 7 is 21.

    4. 21 minus 4 is 17.

    5. The Answer is 17.
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