I know what is the answer to this problem, I believe, if you cannot do it on your own check out www.answers.yahoo.com or private message me so I can explain
Since you have provided me with • symbol I must assume it's about function multiplication, but since standard keyboard doesn't have the function composition symbol 
I must assume you meant either.
1. Case you meant multiplication.
2. Case you meant composition.
Hope this helps. Next time please use LaTeX to format your equations so that others can give you answers as well.
In Calculus - limits, there are several limits law, but the most common ones should be the following:
limx-->a [f(x) + g(x)] = L+M
limx-->a [f(x) - g(x)] = L-M
limx-->a f(x)/g(x) = L/M, if M does not equal to 0
Hope this helps!
It would be d Answer if you simplified it
Distribute the 2 on the left to get 2e + 8 = 8e - 20
Add 20 to both sides and subtract 2e from both sides.
28 = 6e
Divide both sides by 6.
e = 14/3
