Kirchoff's Laws Current [Problem 1]

[mriney]

Homework Statement

Determine the currents I1, I2, and I3. R5 = 18[PLAIN]http://www.webassign.net/images/omegacap.gif. Assume the internal resistance of each battery is r = 1.0 [PLAIN]http://www.webassign.net/images/omegacap.gif.

Homework Equations

Kirchoff's Loop Rule: I1+I2+I3=0
Kirchoff's Series Law?: V1+V2+V3=0

The Attempt at a Solution

I've tried a million things, but with no luck. I know I'm supposed to substitute the different equations, but I just can't seem to come up with the right answer.

 

[Chestermiller]

Show us your equations.

Chet