College Algebra (6th Edition)

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: 26



Work Step by Step

$(3x-7y=13)$ $+$ $(6x+5y=7)$ $(6x-14y=26)$ $-$ $(6x+5y=7)$ $-19y=19$ $y=-1$ $3x-7(-1)=13$ $3x+7=13$ $3x=6$ $x=2$ $(2,-1)$
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