Respuesta :

Answer:

a- 5 (4y) + ( 5 (6)= 20y + 30

b- 12 (3b) + 12 (2)= 36b + 24

c- 8 (a) + 8 (4)= 8a + 32

d- 5 (2d) + 5 (3)= 10d + 15