Respuesta :

Wolfhound905

-1 + 9rt + r hae a good day

altavistard

Arrange 2+ 14rt - 5(r+rt) + 6r - 3 in columns:


2+ 14rt => 2 + 14 rt

- 5(r+rt) => - 5rt -5r

+ 6r - 3 => -3 +6r


Now combine like terms: -1 + 9rt + r (answer)