9514 1404 393
Answer:
x = 5
Step-by-step explanation:
The angle bisector divides the sides proportionally.
(2x -1)/9 = 3x/15
5(2x -1) = 3(3x) . . . . . . multiply by 45
10x -5 = 9x . . . . . . . . . eliminate parentheses
x = 5 . . . . . . . . . . . . . . add 5-9x
