\left. \begin{array} { l } { \text { "or } x \text { and } y : } \\ { – InterviewSolution

1.	\left. \begin{array} { l } { \text { "or } x \text { and } y : } \\ { 9 ^ { x } = 3 ^ { y - 2 } , 81 ^ { y } = 3 ^ { 2 } \times ( 27 } \end{array} \right.
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