Find the equation of line parallel to $3x-4y+2=0$ and at a distance 2 from it?

Question

$\begin{array}{1 1}(a)\;3x-4y+12=0,3x-4y-8=0\\(b)\;3x-4y-8=0,3x-4y-8=0\\(c)\;3x-4y+10=0,3x-4y+8=0\\(d)\;3x+4y+12=0,3x+4y-8=0\end{array}$