Jajaja no es un un error pero si lo hago no es lo mío y si me lo hago

"image"

step-by-step explanation:

in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.

here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.

i have not got your picture clearly so see it once again

54/3 is 18 so 18 is your answer