[tex] \frac{2}{3} x = - \frac{8}{9} ?[/tex]
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[tex] \frac{2}{3} x = - \frac{8}{9} \\ \\ \frac{3}{2} \times \frac{2}{3}x = \frac{3}{2} \times ( - \frac{8}{9} ) = x = - \frac{4}{3} [/tex]