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17 January, 17:49

Two angles are supplementary. They have measures of (7x + 2) ° and (3x - 2) °, respectively. What is the value of x?

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  1. 17 January, 18:55
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    (7x+2) + (3x-2) = 90

    7x+2 + 3x-2 = 90

    10x+2-2 = 90

    10x = 90

    x = 9
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