7 - 8x = 17
7 - 8x - 7 = 17 - 7
-8x = 10
-8x/-8 = 10/-8
x = -10/8 = - 5/4
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let x be the anglelet y be the supplementx = 2y - 54x + y = 1802y - 54 + y = 1803y = 234y = 78x = 180 - 78x = 102The measure of the angle is 102
289
1 x 17 = 17
50 * 17 = 850
-36