Write the system of linear equations in the form  AX = C.   2x - 3y + 4z = 25 x + 2y - 4z = -15 3x − y + 2z = 18 Find A-1   Use the results to solve the system (x, y, z)

Algebra and Trigonometry (MindTap Course List)
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Author:James Stewart, Lothar Redlin, Saleem Watson
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Chapter10: Systems Of Equations And Inequalities
Section10.CR: Chapter Review
Problem 3CC: What is a system of linear equations in the variables x, y, and z?
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Write the system of linear equations in the form 

AX = C.
 
2x - 3y + 4z = 25

x + 2y - 4z = -15

3x − y + 2z = 18

Find A-1  

Use the results to solve the system (x, y, z) 

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