Use Cramer's rule to solve for y without solving for the un- knowns x, z, and w. 4x + y + z+ w= 6 3x + 7y - z + w = 7x + 3y - 5z + 8w =-3 %3D x + y+ z+ 2w = 3
Use Cramer's rule to solve for y without solving for the un- knowns x, z, and w. 4x + y + z+ w= 6 3x + 7y - z + w = 7x + 3y - 5z + 8w =-3 %3D x + y+ z+ 2w = 3
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.9: Properties Of Determinants
Problem 42E
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