Answer
$x=-3$
$y=5$
Work Step by Step
Given:
$3x-5y=-34$
$9x+4y=-7$
Multiply both sides of the first equation by $-3$
$-9x+15y=102$
$9x+4y=-7$
____________________
$19y=95$
$y=5$
Solve for x: $3x-5(5)=-34$
$3x=-9$
$x=-3$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 3 Linear Systems and Matrices - 3.3 Graph Systems of Linear Inequalities - 3.3 Exercises - Mixed Review - Page 173: 49
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