Answer
false
Work Step by Step
Say $y=z=w=0,y=1$, then $0+2\cdot1-3(0)+5(0)=2$. So we have found numbers that satisfy the equation. Thus the statement is false.
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: 61
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