You can put this solution on YOUR website! angle ABC is 25 degrees
Sketch ang ABC with C as the vertex.
-------
angle ABD = 2x-y
angle DBC = 3y-x
ray BD bisects angle ABC, so 2x-y = 3y-x
-----
find the equation
2x-y = 3y-x
3x = 4y
----------
Cheers,
Stan H.
----------