Correct my work?

Question: http://prntscr.com/9vjvd0

I'll paste my work in the comments. I think I went wrong somewhere because, as you'll see, I wind up with different slopes for UT and RS and the question states to prove that they are equal slopes.

Question

Correct my work? 

Question: http://prntscr.com/9vjvd0

I'll paste my work in the comments. I think I went wrong somewhere because, as you'll see, I wind up with different slopes for UT and RS and the question states to prove that they are equal slopes.

leahhhmorgannn · Answer

nevermind - found my own problem.