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12 December, 11:22

Find the measure of supplementary angles with measures 2x degrees and 7x degrees

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  1. 12 December, 11:30
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    2x+7x = 180

    9x=180

    x=20

    Plug the x value in to both expressions

    2 (20) = 40

    7 (20) = 140

    Final answer: 40 degrees, 140 degrees
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