Chapter 6, Problem 14RE

For the simplex tableau below, identify the basic and non-basic variables. Find the pivot element, the entering and exiting variables, and perform one pivot operation.

$\begin{array}{l}{x}_1{x}_2{x}_3{s}_1{s}_2{s}_{3}P\\ \left[\begin{array}{cccccccc}2& 1& 3& -1& 0& 0& 0& 20\\ 3& 0& 4& 1& 1& 0& 0& 30\\ 2& 0& 5& 2& 0& 1& 0& 10\\ -8& 0& -5& 3& 0& 0& 1& 50\end{array}\right]\end{array}$