Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.1 Solving Linear Equations - 1.1 Exercises - Page 10: 1

Answer

$x=15$

Work Step by Step

$2x+10=40$ $2x+10-10=40-10$ $2x=30$ $\dfrac{2x}{2}=\dfrac{30}{2}$ $x=15$
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