please fast find x and y
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<BAC = <ABC = 70° [BC = AC]
<BAC + <ABC + <C = 180°
y + 140° = 180°
y = 40°
<D = <DAB = x [BD = AB]
<A + <D + <C = 180°
70° + x + x + 40° = 180°
2x + 110° = 180°
2x = 70°
x = 35°
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