Answer
m=2
Work Step by Step
Use mental math.
If $4m+1=9$, then $4m=8$.
We know that $4\times2=8$, so the solution is 2.
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: 54
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