2s – 3s = 20 –20 –4 4 –1

 ➣ Assignment: [tex]\bold{Solve \ Equation: \ 2s \ - \ 3s \ = \ 20}[/tex]↔↔↔↔↔↔↔↔        ➣ Answer: [tex]\boxed{\bold{s=-20}}[/tex]↔↔↔↔↔↔↔↔Explanation: ↓↓↓↓↓↔↔↔↔↔↔↔↔        ➤ [ Step One ] Combine Similar Elements[tex]\bold{2s-3s=-s}[/tex]        ➤ [ Step Two ] Rewrite Equation[tex]\bold{-s=20}[/tex]        ➤ [ Step Three ] Divide Both Sides By -1[tex]\bold{\frac{-s}{-1}=\frac{20}{-1}}[/tex]        ➤ [ Step Four ] Simplify[tex]\bold{s=-20}[/tex]↔↔↔↔↔↔↔↔[tex]\bold{\rightarrow Mordancy \leftarrow}[/tex]