Answer
$(-2,3)$
Work Step by Step
$2x-3y=-13$
$y=2x+7$
$2x-3(2x+7)=-13$
$2x-6x-21=-13$
$-4x-21=-13$
$-4x=8$
$x=-2$
$2(-2)-3y=-13$
$-4-3y=-13$
$-3y=-9$
$y=3$
$(-2,3)$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 5 - Systems of Equations and Inequalities - Exercise Set 5.1 - Page 527: 8
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