Answer
$y=\dfrac{2}{5}$
Work Step by Step
Using the properties of equality, the value of the variable that satisfies the given expression, $
-y=-\dfrac{2}{5}
,$ is
\begin{array}{l}\require{cancel}
-1(-y)=-1\left( -\dfrac{2}{5} \right)
\\\\
y=\dfrac{2}{5}
.\end{array}