Answer
$-1$
Work Step by Step
When $x=3$:
$2x-7$
$=2(3)-7$
$=6-7$
$=-1$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Section 10.2 - Integrated Review - Operations on Polynomials - Page 712: 11
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