If y = [m][fraction]x^-1 1/ x^-1 + 1[/fraction][/m], what is x i

If y = \(\fracx^-1 1 x^-1 + 1\), what is x in terms of y? (A) \(\fracy 1y + 1 \) (B) \(\fracy + 1y 1\) (C) \(\frac1- y1 + y \) (D) \(\frac1+ y1 – y\) (E) \(\fracyy + 1\) Source: GMAT Quantum