Write the given system of linear equations as a matrix equation. x + y + z = 4 x + 2y + z = 9 x + y + 2z = 1 x y z = 4 9 1 Solve by inverting the coefficient matrix. (x, y, z) =

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter4: Systems Of Linear Equations
Section4.5: Solve Systems Of Equations Using Matrices
Problem 4.73TI: Write each system of linear equations as an augmented matrix: (a) {3x+8y=32x=5y3...
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Write the given system of linear equations as a matrix equation.
x  +    y  +    z  =  4
x  +  2y  +    z  =  9
x  +   y  +  2z  =  1
 
     
 
     
     
 
x
 
y
z
 = 
 
4
 
9
1
Solve by inverting the coefficient matrix.
(x, y, z) = 
 
 
 
 
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