[tex] \frac{7}{16x}= \frac{5}{8x} -\frac{9}{24} \\ \\ \frac{7}{16x}- \frac{5}{8x}= -\frac{3}{8} \\ \\ \frac{7}{16x}- \frac{10}{16x}= \frac{-6}{16} \\ \\ \frac{7-10}{16x} = \frac{-6}{16} \\ \\ \frac{-3}{16x}= \frac{-6}{16} \\ \\ 16x= \frac{16*(-3)}{-6} \\ \\ 16x=8 \\ x= \frac{1}{2} [/tex]