A ABC is isosceles. Find AC.
Please help): I’m not good at geometry

Answer:
x = 5
Step-by-step explanation:
As it is an isosceles triangle so two sides BA and BC are equal. So,
BA = BC
3x + 3 = 2x + 8
3x - 2x = 8 - 3
x = 5
Therefore AC = 5