resolva a equacao

5/x - 4/x(x - 2) = (x - 4)/(x - 2)

5(x - 2) - 4 = (x - 4)x

5x - 10 - 4 = x² - 4x

x² - 9x + 14 = 0

(x - 2)(x - 7) = 0

S = {2, 7}