Answer
${(x, y, z) | 2x-4y-z=2}$
Work Step by Step
$-6x+12y+3z=-6$
$2x-4y-z=2$
$-x+2y+z/2 =-1$
$-6x+12y+3z=-6$
$(-6x+12y+3z)/-3=-6/-3$
$2x-4y-z=2$
$-x+2y+z/2 =-1$
$-2*(-x+2y+z/2)=-1*-2$
$2x-4y-z=2$
$2x-4y-z=2$
$2x-4y-z=2$
$2x-4y-z=2$
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 638: 22
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