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 - Page 31: 44


$a = \frac{3}{2}$

Work Step by Step

$7(a+1)-3a=5+4(2a-1)$ We begin by distributing: $7a+7-3a=5+8a-4$ Then we combine like terms : $4a+7=8a+1$ $6 = 4a$ Finally, we isolate a: $6 = 4a$ $ \frac{3}{2} = a$ $a = \frac{3}{2}$
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