#9 Please. 20 points. I keep getting x is 25 or x 12.25 depending on how I do it

Answer:
3x+10=(2x-17)*2
(I multiplied it by 2, since ”in circle theorems”, she angle sub tended at the center, is 2* the angle sub tended at the circumference)
3x+10=4x-34
-x = -44
x = 44