How Do Simultaneous and Axis Rotation Methods Affect Force System Calculations?

[widger]

Hey guys, this is the question i have been givin. i have been stuck on it for a while now, and i keep getting overly large numbers?
such as over the 10000N range.. and according to the ansers its no where near that figure,
i have about 2 pages of scrap notes i tried working out,

in the simultaneous way and also the axis rotation way, we have to do it in.
im new to this so :S

thanks guys.

 

[widger]

this is what i have come up with? but i can just see I am all over the shop?
i think I am having a real bad week!