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​Solve the System of Linear Equations Using Any Method,find (X,y) {9x2y=13x+2y=7\left\{ \begin{array} { r } 9 x - 2 y = 1 \\- 3 x + 2 y = 7\end{array} \right.

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​Solve the system of linear equations using any method,find (x,y) . ​​ {9x2y=13x+2y=7\left\{ \begin{array} { r } 9 x - 2 y = 1 \\- 3 x + 2 y = 7\end{array} \right.


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Chicago School

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Urban Life

The way of living that is characteristic of cities and towns, often marked by higher population density and cultural diversity.

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The study of the statistical and social aspects of populations, including structure and distribution.

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A sociologist known for his work on urban life and the social structure of cities.

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