Math... PLEASE HELP!!

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If one angle in a pair of vertical angles measures 42 degrees and the other measures 2n-4 degrees, which is the value of n?
I got 23 degrees but I am not sure if it is correct. Please help me...

  • Math... PLEASE HELP!! -

    2n-4 = 42
    2n = 46
    n = 23

    you are correct

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