Use the Inverse Matrix method to solve the following system of linear equations.  3X + Z = 31 2X – 2Y + Z = 7 Y + 3Z = -9

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Chapter1: Introduction
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Use the Inverse Matrix method to solve the following system of linear equations. 
3X + Z = 31
2X – 2Y + Z = 7
Y + 3Z = -9

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