Question: A simplex matrix is given for which the associated maximization problem either has no solution or has multiple solutions. If there is no solution, explain

A simplex matrix is given for which the associated maximization problem either has no solution or has multiple solutions. If there is no solution, explain how you know this. If there are multiple solutions, give one solution and explain how you would find another.
1.

5 4 -5 -1 12 3 1 -2 -3 -3 -2 -5 0 10 120

20 -3 -6 -6 -2 1. -1 4 6. -9 -12 1 10 20 20

5 4 -5 -1 12 3 1 -2 -3 -3 -2 -5 0 10 120 20 -3 -6 -6 -2 1. -1 4 6. -9 -12 1 10 20 20

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