At Westonci.ca, we make it easy for you to get the answers you need from a community of knowledgeable individuals. Get detailed answers to your questions from a community of experts dedicated to providing accurate information. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

Vertices x(2, 3), y(5, 7), and z( 5, 3) form triangle xyz on the coordinate plane. The triangle is reflected across the y-axis and then rotated 90 degrees counterclockwise about the origin to form triangle x'y'z'. What is the sum of the x values of the vertices of triangle x'y'z'?.