Answer
$x=22$
Work Step by Step
We know that if $\log_a {y}=x$ then $a^x=y$.
Hence, if $\log_5 {x+3}=2$, then
$5^2=x+3\\25=x+3\\25-3=x\\22=x$.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 13 - Counting and Probability - 13.3 Probability - 13.3 Asses Your Understanding - Page 867: 76
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