5/x=x+13/6
→5=x^2+13x/6
subtract 5 to both sides
x^2+13x/6-5=0
x=$${\mathtt{\,-\,}}{\frac{{\mathtt{13}}}{{\mathtt{12}}}}{\mathtt{\,-\,}}{\frac{{\sqrt{{\mathtt{889}}}}}{{\mathtt{12}}}}$$ or $${\frac{{\sqrt{{\mathtt{889}}}}}{{\mathtt{12}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{13}}}{{\mathtt{12}}}}$$
5/x=x+13/6
→5=x^2+13x/6
subtract 5 to both sides
x^2+13x/6-5=0
x=$${\mathtt{\,-\,}}{\frac{{\mathtt{13}}}{{\mathtt{12}}}}{\mathtt{\,-\,}}{\frac{{\sqrt{{\mathtt{889}}}}}{{\mathtt{12}}}}$$ or $${\frac{{\sqrt{{\mathtt{889}}}}}{{\mathtt{12}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{13}}}{{\mathtt{12}}}}$$