Could any please help me out with this math problem?

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.

The angles opposite the congruent sides of an isosceles triangle are congruent. Find the value of x in the triangle. Show all your work.

Thanks to anyone who helped!

This is an example of why some questions go unanswered.

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Unfortunately, this is not clearly explained when students post their questions and attempt to include figures.