2x+3kx-3根号3-6=0
x=(3根号3+6)/(2+3k)>0 => 2+3k>0=> k>-2/3
2kx-2根号3=2y
2kx+3ky=6k
k!=-2/3
y=(6k-2根号3)/(3k+2)>0 =>k>根号3/3或k根号3/3