Respuesta :

Answer:

a) 4(r+2) = (r+2)4

b) (6-8)•r = r•(6-8)

c) 8r+12 = 12+8r

d) 6x-9y = 9y-6x

e) 6x-4y-2z = 2z-4y-6x

Step-by-step explanation:

It's the same equation but its backwards

Hope this helps