Check the solution in Exercise 109, showing that it satisfies all three equations of the system. Exercise

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Check the solution in Exercise 109, showing that it satisfies all three equations of the system.


Exercise 109

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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