Answer
A
Work Step by Step
$-2x-y=0$
$-2x+3y=6$
$-2x-y=0$
$3*(-2x-y=0)$
$-6x-3y=0$
$-2x+3y=6$
$-6x-3y=0$
$-6x-3y+(-2x+3y)=0+6$
$-2x-6x+3y-3y=6$
$-8x = 6$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 4 - Section 4.3 - Solving Systems of Linear Equations by Addition - Exercise Set - Page 309: 52
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