Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - 1-8 An Introduction to Equations - Practice and Problem-Solving Exercises: 48

Answer

The solution is between 4 and 5.

Work Step by Step

We plug in values until we arrive at the correct answer. $\underline b\ \ \ \ \underline{-115b+80}$ $3\ \ \ \ -265$ $4\ \ \ \ -380_\longrightarrow$ the solution is between 4 and 5 $5\ \ \ \ -495$
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