Magnitude of force. solving for x

[bastige]

Homework Statement

http://img237.imageshack.us/img237/9041/snapshot20080325182105oh7.th.jpg

Homework Equations

I don't know what to do without having x cancel out.

The Attempt at a Solution

 

[Kurdt]

Are you trying to solve for x?

 

[bastige]

Are you trying to solve for x?

1234 yes

 

[Snazzy]

Multiply out the x, collect like terms, and divide.

 

[bastige]

Multiply out the x, collect like terms, and divide.

1.723x=.1+x
1.723x-x =.1
x-x=.1/1.723
0=...