Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 1 - Section 1.2 - Algebraic Expressions and Sets of Numbers - Exercise Set: 8



Work Step by Step

You are given the following: $a=12$ $b=7$ Since you are solving for $2a-b$ and you know the values of both variables, you can plug them in: $2(12)-7$ Then solve, keeping in mind the order of operations. Multiplication first: $2\times12=24$ Then subtraction: $24-7=17$
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