Answer
$x \approx 3.333 \times 10^{-4}$
Work Step by Step
$2 \log(3x) + 8 = 2$
$2 \log 3x = 2 - 8$
$2 \log 3x = -6$
$\log 3x = -3$
$10^{-3} = 3x$
$0.001 = 3x$
$x = \frac{0.001}{3}$
$x \approx 3.333 \times 10^{-4}$
Check:
$2 \log(3x) + 8 = 2$
$2 \log(3( \frac{0.001}{3})) + 8 \overset{?}{=} 2$
$2 \log(0.001) + 8 \overset{?}{=} 2$
$2(-3) + 8 \overset{?}{=} 2$
$-6 + 8 \overset{?}{=} 2$
$2 = 2$