Answer
20
Work Step by Step
When x=5:
2x+10
=2(5)+10
=10+10
=20
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Section 10.1 - Adding and Subtracting Polynomials - Exercise Set - Page 705: 49
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