Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 3 Linear Systems and Matrices - Chapter Review - Page 223: 8


$x=5$ and $y=-2$

Work Step by Step

$3x+5y=5$ $/\times(3)$ $2x-3y=16$ $/\times(5)$ __________________ $9x+15y=15$ $10x-15y=80$ __________________ $19x=95$ $x=\frac{95}{15}$ $x=5$ For $x=5$... $3(5)+5y=5$ $5y=-10$ $y=-\frac{10}{5}$ $y=-2$
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