d 2x + 3y - z = 3 x - y - z = 0 -x + y + z = 0 x + y + 3z = 5
Chapter 8, Problem 69(choose chapter or problem)
d 2x + 3y - z = 3 x - y - z = 0 -x + y + z = 0 x + y + 3z = 5
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