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4 March, 02:45

Angles X and Y are supplementary. Angle X measure 2x - 9. Angle Y measures 135 degrees. What is the value of x?

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  1. 4 March, 02:54
    0
    x=27

    Step-by-step explanation:

    Set up the equation:

    2x - 9 + 135 = 180

    Subtract 135 from both sides:

    2x - 9 = 45

    Add 9 to both sides:

    2x = 54

    Divide 54 by 2:

    x = 27
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