Answer
no solutions
Work Step by Step
Substitue $y=2.5x-9$ into
$-10x+4(2.5x-9)-20=0$
$0x=-56$
No solution.
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 1-4 - Cumulative Review - Page 408: 15
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