225k views
1 vote
Ab and cd intersects at e, aec=5x+12 and deb=8x-3

User Ryan Davis
by
4.6k points

1 Answer

2 votes

Answer:

x = 5

Explanation:

Angles DEB and AEC are vertical angles, so they are congruent, and their measures are equal.

8x - 3 = 5x + 12

3x = 15

User Frankie Drake
by
4.6k points