Answer
n=3
Work Step by Step
We plug in values until we arrive at the correct answer.
$\underline n\ \ \ \ \underline{-9-13n}$
$1\ \ \ \ \ \ -22$
$2\ \ \ \ \ \ -35$
$3\ \ \ \ \ \ -48\longrightarrow$ 3 is the solution
Algebra 1
by Hall, Prentice
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 - Page 57: 44
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