Question

R=p/4(c+k) for k, please help, thank you!

Answer 1

`k=(-cp+4r)/(p)`

Explanation:

`r=p/4(c+k)`

`(r)/(p/4) =c+k`

`(r)/(p/4) -c=k`

`-cp+4r=kp`

`(-cp+4r)/(p) =k`