Answer
$x=999$
Work Step by Step
Adding a base of $10$ to each side leaves $10^{\log(1+x)}=10^{3}$, which is equal to $1+x=1000$. Solving for $x$ yields $x=999$.
Calculus, 10th Edition (Anton)
by Anton, Howard
Published by
Wiley
ISBN 10:
0-47064-772-8
ISBN 13:
978-0-47064-772-1
Chapter 6 - Exponential, Logarithmic, And Inverse Trigonometric Functions - 6.1 Exponential And Logarithmic Functions - Exercises Set 6.1 - Page 419: 16
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