Step-by-step explanation:
In a right angle triangle one angle is 90°
w.k.t sum of angles in a triangle is 180°
thus, 2x+15+x+90°=180°
3x+105°=180°
3x=75°
x= 75/3=25°
Hope this helps you.
Answer:

Step-by-step explanation:

Solving for x would give me 14 and negative 10 which would lead to the problem looking like so 14(-10-4)=140
The answer is nonproportional.