Use Cramer's rule to solve for y without solving for x, z, and w. 4x + y

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Use Cramer's rule to solve for y without solving for x, z, and w.
4x + y + z + w = 6
3x + 7y - z + w = 1
7x + 3y - 5z + 8w = - 3
x + y + z + 2w = 3

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Elementary Linear Algebra with Applications

ISBN: 978-0471669593

9th edition

Authors: Howard Anton, Chris Rorres

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Question Posted: Jun 17, 2016 07:59 AM

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Use Cramer's rule to solve for y without solving for x, z, and w. 4x + y

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Elementary Linear Algebra with Applications

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