Problem: The equality x−11​=x−22​ is satisfied by:
Answer Choices:
A. no real values of x
B. either x=1 or x=2
C. only x=1
D. only x=2
E. only x=0
Solution:
Multiplying both sides of the equation by (x−1)(x−2), we have 2x−2=x−2.∴x=0.