Chapter 4.2, Problem 9E

!!

For each of the simplex tableaux in Exercises 7–10,

(a) Determine the next pivot element.

(b) Determine the next tableau.

(c) Determine the particular solution corresponding to the tableau of part (b).

$\begin{array}{l}\begin{array}{cccccc}x& y& u& v& M& \end{array}\\ \left[\begin{array}{cccccc}5& 12& 1& 0& 0& 12\\ 15& 10& 0& 1& 0& 5\\ 4& -2& 0& 0& 1& 0\end{array}\right]\end{array}$