LaTex Array

Find the solution to the following system.
$ \left \{ \begin{array}{cc} {y}={5}{x}+{20}\\{4}{x}-{3}{y}={-27} \end{array} \right. $

A. ${x}={5}, \;{y}={-3}$
B. ${x}={3}, \;{y}={5}$
C. ${x}={-5}, \;{y}={3}$
D. ${x}={-3}, \;{y}={5}$
E. ${x}={-3}, \;{y}={-5}$
  

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