POW #8: Algebra!

Solve the equation (6^x + 6^(-x))/6 = 2. Show and justify every step of your work carefully. Give an EXACT answer, not an approximation. (Note: If you even LOOK at a calculator, or a computer, then you are approximating!!)

Return solutions ON PAPER to Laura Taalman, Burruss 127, by 11/10/04.
Make sure it is clear how you arrived at your answer.
Include your name and email address with your solution.