Write the augmented matrix of the system and use it to solve the system. If the system has an infinite number of solutions, express them in terms of the parameter z. 11x 20y 31z 49 — 2х + 10y + 12z - 28 2x 5y 7z 13 X = y = I| ||||

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
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Chapter6: Linear Systems
Section6.2: Guassian Elimination And Matrix Methods
Problem 36E
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Write the augmented matrix of the system and use it to solve the system. If the system has an infinite number
of solutions, express them in terms of the parameter z.
11x
20y
31z
49
-
-
- 2x +
10y +
12z
- 28
2x
5y
7z
13
|
X =
y =
Z =
Transcribed Image Text:Write the augmented matrix of the system and use it to solve the system. If the system has an infinite number of solutions, express them in terms of the parameter z. 11x 20y 31z 49 - - - 2x + 10y + 12z - 28 2x 5y 7z 13 | X = y = Z =
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