Answer
$5x+5z=10$
Work Step by Step
$3x-y+z=2$
$2*(3x-y+z=2)$
$6x-2y+2z=4$
$-x+2y+3z=6$
$6x-2y+2z=4$
$-x+2y+3z+(6x-2y+2z)=6+4$
$-x+2y+3z+6x-2y+2z=10$
$5x+5z=10$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 9 - Section 9.1 - Solving Systems of Linear Equations in Three Variables and Problem Solving - Exercise Set - Page 640: 43
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