Introductory Algebra for College Students (7th Edition)

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: 18

Answer

36

Work Step by Step

given x =7, y= 5 evaluate 3(x+y) Step 1: Substitute the value of x =7 and y=5 in the given expression According to the order of operations perform addition inside the paranthesis 3(7+5) 3(12) Step2: Now perform multiplication 3(12) = 3*12 =36
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