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2 May, 23:44

Two angles are supplementary. one angle measures 12 degrees less than 5 times the other. find the measure of each angle

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  1. 3 May, 00:09
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    Supplementary angles, when added, = 180 degrees

    a + b = 180

    a = 5b - 12

    5b - 12 + b = 180

    6b - 12 = 180

    6b = 180 + 12

    6b = 192

    b = 192/6

    b = 32 < = = = one angle is 32 degrees

    a = 5b - 12

    a = 5 (32) - 12

    a = 160 - 12

    a = 148 < = = = the other angle is 148
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