Question 333947
{{{P=(cx+y)/(a+bx)}}}
{{{P(a+bx)=cx+y}}}
{{{Pa+Pbx=cx+y}}}
{{{Pbx-cx=y-Pa}}}
{{{x(Pb-c)=y-Pa}}}
{{{highlight(x=(y-Pa)/(Pb-c))}}}