$$(ix)0.25x+\frac{x}{5}=0.75x-9$$
$x=-2i\sqrt{0.3025-9i}-1.1i\approx 4.171949723+3.214529463i$
$x=2i\sqrt{0.3025-9i}-1.1i\approx -4.171949723-5.414529463i$
