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m Last element in top row of matrix was incorrect. It should be -60 (instead of -20). The pivot row (3rd row) is multiplied by 4 and subtracted from the first row (after multiplying the first row by 3). Note that this edit is consistent with the final solution for Z in the equation below. |
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Line 153:
:<math>
\begin{bmatrix}
3 & -2 & -11 & 0 & 0 & -4 & -
0 & 7 & 1 & 0 & 3 & -1 & 15 \\
0 & 2 & 5 & 3 & 0 & 1 & 15
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