Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 9 - Section 9.5 - Exponential and Logarithmic Equations - Exercise Set - Page 727: 75

Answer

$x=3$.

Work Step by Step

We know that if $a\gt0,a\ne1$, then $\log_ab=\log_ac\longrightarrow b=c$ Thus here: $x+4=7\\x=3$
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