College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Appendix I - B Algebra and Common Algebraic Relationships - Solving Simultaneous Equations - Appendix I-B Exercises on Algebra - Page A-3: 5


$x=2, y=-1$

Work Step by Step

$2x-3y=7$ $3y+5x=7$ Adding both the equations, $7x=14$ or, $x=2$ which gives $y=-1$
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