Solve for x.
Enter your answer in the box.
An equilateral triangle A B C. Side B C is the base. Sides A B, B C, and A C are equal. Sides A B, B C, and A C are labeled with single tick marks. Angle A is labeled as left parenthesis 2 y right parenthesis degrees, angle B is labeled left parenthesis 25 x minus 15 right parenthesis degrees.
