jmc

The slope of the given line is $-\frac{2}{3}$, and the line through the points must have the same slope. This means that $$\frac{17-(-9)}{j-2}=-\frac{2}{3}$$ We can multiply out denominators to get $3(26)=-2(j-2)$, or $-39=j-2$ and $j=\boxed{-37}$.