Can anyone help me find k or point me in the right direction?

3pisk+3pis^2=S

- Sep 9th 2011, 10:16 AMhomeylova223Find k in the equation?
Can anyone help me find k or point me in the right direction?

3pisk+3pis^2=S - Sep 9th 2011, 10:27 AMhomeylova223Re: Find k in the equation?
Actually I have solved it

k=S-3pis^2/3pi - Sep 10th 2011, 02:23 AMSironRe: Find k in the equation?
If the equation is:

You have forgotten a factor in the denominator.