Find equation of the line which is equidistant from parallel lines $9x + 6y – 7 = 0$ and $3x + 2y + 6 = 0.$

Question

$\begin {array} {1 1} (A)\;18x-12y-11=0& \quad (B)\;18x-12y+11=0 \\ (C)\;18x+12y+11=0 & \quad (D)\;-18x+12y+11=0 \end {array}$