Given the following systems of equations, x1+2x2+3x3=2 x2-x3=8 x1+2x2+x3=4 1. write the equations using matrix notation.   2. solve for x3 using Cramer’s rule

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter11: Systems Of Equations
Section11.CT: Test
Problem 14CT
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Given the following systems of equations,

x1+2x2+3x3=2

x2-x3=8

x1+2x2+x3=4

1. write the equations using matrix notation.  

2. solve for x3 using Cramer’s rule.  

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