3xy-x=2y-1;(3x-2)y=x-1;y=(x-1)/(3x-2);
3xy-x=2y-1(3x-2)y=x-1y=(x-1)/(3x-2)
x*(3y-1)=2y-13xy-x=2y-1(3x-2)y=x-1y=(x-1)/(3x-2)