solve or check ‘ whether your answer is correct or not 3x -9=12​

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solve or check ‘ whether your answer is correct or not 3x -9=12​

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Tài Đức 5 years 2021-08-12T03:53:38+00:00 2 Answers 15 views 0

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  1. binhan
    0
    2021-08-12T03:55:21+00:00
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    x = 7………………

  2. Gerda
    0
    2021-08-12T03:55:36+00:00
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    Answer:

    x = 7

    Step-by-step explanation:

    3x – 9 = 12

    3x = 12 + 9

    3x = 21

    x = 21 ÷ 3

    x = 7

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