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Wox = Zoy
8x + 13 = 5x + 40
= 8x - 5x = 40 - 13
= 3x = 27
= x = 27 : 3
= x = 9
B.
Wox = 8(9) + 13
= 27 + 13 = 40°
C.
Zoy = Wox = 40°
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