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27 December, 07:49

Two angles are supplementary they have measures of (7X+2) and (3X-2), respectively what is the X value

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  1. 27 December, 08:12
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    X = 18. Supplementary angles when added equals 180 degrees.

    (7X+2) + (3X-2) = 180

    7X+2 + 3X-2 = 180

    10X+2-2 = 180

    10X = 180

    X = 18
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