The answer is 26.33 repeating How you get that answer is First do N times 3 so the you have 3n + 5 = 84 minus 5 from both sides and then you get 3n = 79 divid both sides by 3 and then you get n = 26.33 reapting
So to answer this question all you need is the definition of a reflection A reflection in my explanation is a flip of the figure to be on the opposite side NOT changing the shape but only flipping the coordinates