Lexislashay Lexislashay

16-06-2016
Mathematics

contestada

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

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OliviaBrooks OliviaBrooks

16-06-2016

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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