Respuesta :

stephaniesilva48

Answer:

X always have a 1 even if its not there so when x is alone its as if x is 1 i dont know  if this is the answer you were looking for tho

mhanifa

Answer:

  • x = 8

Step-by-step explanation:

Parallel lines divide the transversals into proportional segments:

  • x/ (x - 2) = (x + 4) / 9
  • (x + 4)(x - 2) = 9x
  • x² + 2x - 8 = 9x
  • x² - 7x - 8 = 0
  • x² + x - 8x - 8 = 0
  • (x + 1)(x - 8) = 0
  • x = 8 (positive root)