Answer
true
Work Step by Step
The two equations represent two parallel planes, which don't have any points in common. If we subtract the first equation from the second one, we get an untrue statement. Thus the original statement is true.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 3 - Section 3.3 - Systems of Linear Equations in Three Variables - Exercise Set - Page 219: 60
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