z = \\frac{-1}{-2}

$z = \\frac{-1}{-2}$

z = \frac{-1}{-2}

To simplify $\frac{-1}{-2}$, we know that the quotient of two negative numbers is positive. So, $\frac{-1}{-2}=\frac{1}{2}$.

Since $z = \frac{-1}{-2}$, substituting the simplified fraction, we get $z=\frac{1}{2}$.

$z = \frac{1}{2}$