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4 January, 16:44

What's the answer

5n-2=n+18

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Answers (2)
  1. 4 January, 16:49
    0
    The answer would be n=5
  2. 4 January, 17:08
    0
    5n-2=n+18

    Move n to the other side

    Sign changes from + n to - n

    5n-n-2 = n-n+18

    5n-n-2 = 18

    4n-2 = 18

    Move - 2 to the other side

    Sign changes from - 2 to + 2

    4n-2+2 = 18+2

    4n = 18+2

    4n = 20

    Divide by 4 for both sides

    4n/4 = 20/4

    Answer: n=5
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