Answer:
x = 17
Explanation:
Since 2 sides of the triangle are congruent then it is isosceles, so
The 2 base angles are congruent, both 29°, thus
11x - 65 = 180 - (29 + 29) = 180 - 58 = 122 ( add 65 to both sides )
11x = 187 ( divide both sides by 11 )
x = 17