Answer:
might be X might be 15 my eatimation
Step-by-step explanation:
Statements
1.BC/CD=AC/CE
2.Angle BCA is congruent to ECD
3.Triangle ACB is congruent to ECD
Reasons
1.Given
2.Vertical angles are congruent
3.SAS
23 over 21 is the right answer
23
----
21
The answer is 8.
8 x 3 = 24
24 + 1 = 25
Hope I helped :)