Statics problem! Please help

I hate to be the annoying person who asks homework questions online, but...I'm getting pretty desperate.

Given knowing that the surfaces at A and D are frictionless, determine the forces exerted at B and C on member BCE.
I'm having trouble finding the external forces with the FBD of the whole diagram..since there's 4 unknowns and any moment I take doesn't solve for one variable.
Here's a picture of the diagram:
http://www.chegg.com/homework-help/knowi…

Free body diagram of BCE
Bx=-Cx
By+Cy=50

take moment about B
Cy-Cx=100

Free body diagram for ACD
Dx=-Cx

take moment about A

Cx=-9Cy

from previous equation Cy-Cx=100. plug in for Cx

Cy= 10lb
replug back in
Cx=-90lb

Force on C is sqrt[Cy^2+Cx^2]
=90 lb

This solves for C. from this solve for B =]. If you need further help email me for some assistance. Hope this helps.

Oh and i skipped a lot of steps in a lot of the calculations.

by inspection we know that the triangle AE and lowerright vertex is a 45,45,90 rt triangle while the other one is 30, 60, 90. The forces at E are 25lbs to the right and down the length of the arm.
the forces want to drag A to the right with ~ 12.5 lbs force I believe.
You should be able to do the trig?

B is a pivot. C is a sliding joint.
Gravity is down.
Make some assumption about the mass of AD, and indicate it symbolically, not numerically.