Answer
The solution is between 4 and 5.
Work Step by Step
We plug in values until we arrive at the correct answer.
b− −115b+80−−−−−−−−−
3 −265
4 −380⟶ the solution is between 4 and 5
5 −495
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 1 - Foundations for Algebra - 1-8 An Introduction to Equations - Practice and Problem-Solving Exercises - Page 57: 48
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