From the fig. given below, what is the value of $x$ and $y$, if $2x - y =45^{\circ}$

Question

$\begin{array}{1 1} (a)\; x = 60^{\circ}, y=70^{\circ} \\ (b)\; x = 60^{\circ}, y = 75^{\circ} \\ (c)\; x = 65^{\circ}, y = 75^{\circ} \\ (d)\; x = 65^{\circ}, y = 70 ^{\circ}\end{array}$