Question 488970
x + x + 76 = 180
2x = 104
x = 52 the supplement.
180 = 52 degrees = 128 degrees, the angle.
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2(90 - x) = 180 - x - 40
180 - 2x = 140 - x
40 degrees = x, the angle.
50 degrees, the complement.
140 degrees, the supplement.
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2(50) + 40 = 140 degrees, this does check.
 Cleomenius.