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29 September, 06:13

What is the solution to this equation?

X - 12 = 9

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Answers (1)
  1. 29 September, 06:43
    0
    X = 21

    Step-by-step explanation:

    X - 12 = 9

    Add 12 to each side

    X - 12+12 = 9+12

    X = 21
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