(b) Use Cramer's rule to solve for y without solving for the unknowns x, z, and w. 4x+ y+ z+ w= 6 3x+7y - z+ w= 1 7x+3y – 5z+8w= -3 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 41E
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(b) Use Cramer's rule to solve for y without solving for the unknowns x, z, and
w.
4x+ y+ z+ w=
6
Зх + 7у — г+ w3D
1
7x+3y – 5z+ 8w= –3
x+ y+ z+ 2w =
3.
Transcribed Image Text:(b) Use Cramer's rule to solve for y without solving for the unknowns x, z, and w. 4x+ y+ z+ w= 6 Зх + 7у — г+ w3D 1 7x+3y – 5z+ 8w= –3 x+ y+ z+ 2w = 3.
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