Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 1 - Expressions, Equations, and Inequalities - 1-4 Solving Equations - Practice and Problem-Solving Exercises: 18

Answer

a = 3.5

Work Step by Step

Our goal is to isolate a. To accomplish this we will first subtract 4a from both sides to get all of the a's on one side: 6a - 5 = 4a + 2 2a - 5 = 2 We will then isolate a by adding 5 to both sides and then dividing both sides by 2: 2a - 5 = 2 2a = 7 a = 3.5
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