Solve the system by substitution. 7x - y = -10 3y - x = 10

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Solve the system by substitution.

7x - y = -10

3y - x = 10

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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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