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Solve the System of Linear Equations Using Gaussian Elimination with Back-Substitution

Question 13

Multiple Choice

Solve the system of linear equations using Gaussian elimination with back-substitution.
5x + 8y + 8z = 29
2x + 8y + 3z = 31
2x + 4y + 6z = 12

A) (4, -1, 1)
B) (-1, 1, 4)
C) (1, -1, 4)
D) (1, 4, -1)

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