Question 314686
First graph the line,
{{{y=(2/3)x-4}}}
{{{graph(300,300,-5,5,-8,2,(2/3)x-4)}}}
Now pick a point not on the line.
(0,0) is an easy choice.
Test the inequality.
{{{0<(2/3)(0)-4}}}
{{{0<-4}}}
False, so (0,0) is not in the solution region.
Shade the region that doesn't include (0,0).
*[invoke plot_any_inequality "y <(2/3)x-4", -5, 5, -8, 2, 300, 300]