Respuesta :

Answer:

24r

Step-by-step explanation:

2(7r + 5r)

Combine 7r and 5r to get 12r.

2 × 12r

Multiply 2 and 12 to get 24.

24r

Answer:

24r

Step-by-step explanation:

2 times 7r = 14r

2 times 5r = 10r

14r + 10r = 24r