hello
[tex]4=-\frac{2}{3}x[/tex]to solve for x, let's cross multiply both sides
[tex]\begin{gathered} 4=-\frac{2}{3}x \\ 4\times3=-2x \\ 12=-2x \end{gathered}[/tex]step 2
divide both sides by -2
[tex]\begin{gathered} 12=-2x \\ \frac{12}{-2}=-\frac{2x}{-2} \\ x=-6 \end{gathered}[/tex]x = - 6