Solve the system of equations (4), (5), and (6) 25x + 40y + 20z = 2200 (4)

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Solve the system of equations (4), (5), and (6)

25x + 40y + 20z = 2200 (4)

4x + 2y + 3z = 280 (5)

3x + 2y + z = 180 (6)

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College Algebra

ISBN: 978-0134697024

12th edition

Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

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Question Posted: Apr 11, 2019 01:44 PM

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Solve the system of equations (4), (5), and (6) 25x + 40y + 20z = 2200 (4)

Question:

Step by Step Answer:

25x40y20z 2200 4 4x 2y 3z 280 5 3x 2yz180 6 Eliminate z by multiplying equation 6 by 3 and ad...View the full answer

College Algebra

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