Answer: Z'(-7;8)
suppose the coordinates of Z' is Z'(x,y)
we have:

=> Z'(-7;8)
Step-by-step explanation:
I used to look at the examples i can’t remember now what it is but look at the examples
What I did was add all the x's since you are trying to find the perimeter then I got 16 and then you add the whole numbers. 16x+3