Simplify \(-1-3\) to \(-4\).
\[3\times \frac{-4}{2}\]
Use this rule: \(a \times \frac{b}{c}=\frac{ab}{c}\).
\[\frac{3\times -4}{2}\]
Simplify \(3\times -4\) to \(-12\).
\[\frac{-12}{2}\]
Move the negative sign to the left.
\[-\frac{12}{2}\]
Simplify \(\frac{12}{2}\) to \(6\).
\[-6\]
-6
