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30 March, 19:45

What is the solution to - 30 + k = 9?

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Answers (2)
  1. 30 March, 19:53
    0
    -30 + k = 9

    move - 30 to the other side

    sign changes from - 30 to + 30

    -30+30+k = 9+30

    k = 39

    Answer: k = 39
  2. 30 March, 20:13
    0
    The solution to this question is 39
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