Question 1134359

{{{((cx + d) / a) / (cx / d) = 2d / a }}}


{{{(d(cx + d)) / (acx ) = 2d / a }}}


{{{(cross(d)(cx + d)) / (cross(a)cx ) = 2cross(d) / cross(a) }}}


{{{(cx + d) / (cx ) = 2}}}


{{{(cx + d) = 2(cx ) }}}


 {{{d = 2cx-cx }}}


{{{d = cx }}}


{{{x=d/c}}}