Consider the following problem. Maximize Z = x1 + 2x2 +x3, Subject to (No nonnegativity constraints). (a)

Question:

Consider the following problem.
Maximize Z = €“x1 + 2x2 +x3,
Subject to

(No nonnegativity constraints).
(a) Reformulate this problem so that all variables have nonnegativity constraints.
(b) Work through the simplex method step by step to solve the problem.
(c) Use a computer package based on the simplex method to solve the problem.