Answer
$(-6,-2)$
Work Step by Step
$(2x-7y=2)$ $+$
$(3x+y=-20)$
$(6x-21y=6)$ $-$
$(6x+2y=-40)$
$-23y=46$
$y=-2$
$2x-7(-2)=2$
$2x+14=2$
$2x=-12$
$x=-6$
$(-6,-2)$
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: 24
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