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15 May, 14:18

Two angles are supplementary. One angle can be represented by 2x, while the other by 3x-10. What is the value of 2x? Based on this, what are the measures of the two angles?

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  1. 15 May, 14:30
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    Supplementary angles = 180

    2x + 3x-10 = 180

    5x - 10 = 180

    5x - 10 + 10 = 180+10

    5x = 190

    5x/5 = 190/5

    x = 38

    2x=76

    3x-10 = 3 (38) - 10=104

    The measure of angles are 76 and 104
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