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16 November, 18:35

What is the solution for x in the equation? 3x - 42 = - 6x + 21

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Answers (2)
  1. 16 November, 19:02
    0
    x = 7

    Step-by-step explanation:

    3x - 42 = - 6x + 21

    3x + 6x = 21 + 42

    9x = 63

    Dividing both sides by 9

    x = 63/9

    x = 7
  2. 16 November, 19:03
    0
    9x = 63

    or, x = 7

    Step-by-step explanation:

    hope u understand!
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