Answer
$x=-.1$
Work Step by Step
We are given that $3x+\frac{2}{5}=\frac{1}{10}$.
We can solve for x by first multiplying each term by 10 to eliminate fractions.
$30x+4=1$
Subtract 4 from both sides.
$30x=-3$
Divide each side by 30.
$x=-\frac{3}{30}=-.1$
