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**Unformatted text preview: **3 x + 4 y + 5 z = 17 3 x + 4 y + 6 z = 20 x + 2 y + 3 z = 9 b) 3 x-11 y + 11 z =-24-2 x + 7 y-9 z = 14-2 x + 8 y-4 z = 18 Answers: 1. x 1 = 1, x 2 =-2, x 3 = 4, x 4 = 0 2 a) x = 2, y =-1, z = 3 b) no solution...

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- Fall '15
- Linear Equations, Gaussian Elimination, Elementary algebra, Gauss–Jordan Elimination