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28 May, 06:08

What is the value of x when x + 7 = 21?

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Answers (2)
  1. 28 May, 06:17
    0
    X + 7 = 21

    - 7 - 7

    x = 14
  2. 28 May, 06:32
    0
    Answer:14

    Step-by-step explanation:

    x + 7 = 21

    group like terms

    x = 21 - 7

    When positive cross = sign it turns negative

    x = 14
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