Answer
18
Work Step by Step
given x =4,
evaluate 2(x+5)
Step 1: Substitute the value of x =4 in the given expression
According to the order of operations perform addition in the parenthesis first
2(4+5)
2(9)
Now perform multiplication
2*9 = 18
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 1 - Section 1.1 - Introduction to Algebra: Variables and Mathematical Models - Exercise Set - Page 11: 11
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