Simplify \(\frac{20}{4}\) to \(5\).
\[\begin{aligned}&5\times \frac{2}{5}-1\\&-9-(-3)-\frac{12}{3}\end{aligned}\]
Cancel \(5\).
\[\begin{aligned}&2-1\\&-9-(-3)-\frac{12}{3}\end{aligned}\]
Simplify \(\frac{12}{3}\) to \(4\).
\[\begin{aligned}&2-1\\&-9-(-3)-4\end{aligned}\]
Remove parentheses.
\[\begin{aligned}&2-1\\&-9+3-4\end{aligned}\]
2-1;-9+3-4
