Giải các phương trình : $\begin{array}{l} 1) & 3 + \frac{1}{{{{\log }_{32}}\frac{x}{2}}} = {\log _{\frac{x}{2}}}\left( {\frac{{75x}}{4} - \frac{{11}}{x}} \right) & & & \left( 1 \right)\\ 2) & {\log _{2x}}\left( {\frac{{32}}{x} - 16x} \right) = \frac{1}{{{{\log }_{56}}2x}} - 3 & & & \left( 2 \right) \end{array}$
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