In the diagram, B,C and D lie on a straight line, with \angle{ACD}=100^\circ,\angle{ADB}=x^\circ,\angle{ABD}=2x^\circ, and \angle{DAC}=\angle{BAC}=y^\circ. The value of x is
Answer Choices
A. 10
B. 45
C. 30
D. 50
E. 20
In the diagram, B,C and D lie on a straight line, with \angle{ACD}=100^\circ,\angle{ADB}=x^\circ,\angle{ABD}=2x^\circ, and \angle{DAC}=\angle{BAC}=y^\circ. The value of x is
Answer Choices
A. 10
B. 45
C. 30
D. 50
E. 20