Answer
false
Work Step by Step
$5\cdot2-9=10-9=1$ $10\cdot2-2\cdot9=20-18=2$ 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 3.1 - Systems of Linear Equations in Two Variables - Exercise Set - Page 194: 114
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