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writing and linear equations

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the measure of one angle is described as twelve more than four times a number. its supplement is twice as large. find the measure of each angle.

  • writing and linear equations -

    if the angle is x, its supplement is 180-x, so just solve

    180-x = 2x
    x=60

    What's all this nonsense about x=4n+12?
    If you need to find "the number" then just solve that for n, given that x=60.

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