Solve the system using the inverse of a 2 X 2 matrix. 5x – 4y = -5 4x + y = 2.3

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter4: Systems Of Linear Equations
Section4.4: Solve Systems Of Equations With Three Variables
Problem 4.63TI: Solve the system by elimination: {3x+yz=22x3y2z=14xy3z=0 .
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Solve the system using the inverse of a 2 X 2 matrix.

5x – 4y = -5

4x + y = 2.3

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