Algebra 2 (1st Edition)

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

Chapter 3 Linear Systems and Matrices - 3.2 Solve Linear Systems Algebraically - 3.2 Exercises - Quiz for Lessons 3.1-3.2 - Page 167: 10


$x=-5$ and $y=-3$

Work Step by Step

$2x-3y=-1$ $2x+3y=-19$ __________________ $2x+2x=-20$ $x=-\frac{20}{4}$ $x=-5$ when $x=-5$... $2(-5)+3y=-19$ $3y-10=-19$ $3y=-9$ $y=-\frac{9}{3}$ $y=-3$
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