Answer:
ABD = 36
DBC = 54
Explanation:
The three angles form a straight line so they add to 180
2x + 3x +90 = 180
Combine like terms
5x+90 =180
Subtract 90 from each side
5x+90-90=180-90
5x= 90
divide each side by 5
5x/5 = 90/5
x =18
ABD = 2x = 2*18 = 36
DBC = 3x = 3*18 =54