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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 x11 y + 11 z =242 x + 7 y9 z = 142 x + 8 y4 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

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