4x + 2y – z = 5 x+ 4y + z = 12 2x - y + 4z = 12

College Algebra (MindTap Course List)
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ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
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Chapter1: Equations And Inequalities
Section1.3: Complex Numbers
Problem 21E: Find the values of x and y. 3x-2yi=2+x+yi
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Solve the following set of equations using the Gaussian elimination method.

4x + 2y – z = 5
x + 4y + z = 12
2x – y + 4z = 12
Transcribed Image Text:4x + 2y – z = 5 x + 4y + z = 12 2x – y + 4z = 12
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