Elementary Linear Algebra 7th Edition

Published by Cengage Learning
ISBN 10: 1-13311-087-8
ISBN 13: 978-1-13311-087-3

Chapter 1 - Systems of Linear Equations - Review Exercises - Page 35: 9

Answer

$x$ = $\frac{1}{2}$ ; $y$ = $(\frac{3}{2})$

Work Step by Step

$y$ = 2 - $x$ 3$x$ - (2 - $x$) =0 3$x$ - 2 + $x$ = 0 4$x$ = 2 $x$ = $\frac{1}{2}$ $y$ = 2 - $(\frac{1}{2})$ $y$ = $(\frac{3}{2})$
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