## Algebra and Trigonometry 10th Edition

$x=0.9$
Remember that $10^{\log x}=x$ (Inverse Property) $\log(1-x)=-1$ $10^{\log(1-x)}=10^{-1}$ $1-x=\frac{1}{10}=0.1$ $1-0.1=x$ $x=0.9$