Respuesta :

[tex]\\ \sf\bull\dashrightarrow \dfrac{-120}{-6}[/tex]

  • Cancel -

[tex]\\ \sf\bull\dashrightarrow \dfrac{120}{6}[/tex]

  • Cancel by 3

[tex]\\ \sf\bull\dashrightarrow \dfrac{40}{2}[/tex]

  • Cancel by 2

[tex]\\ \sf\bull\dashrightarrow 20[/tex]