Respuesta :

Answer:

  x = 2.4

Step-by-step explanation:

Corresponding sides of the similar triangles are proportional:

  x/(x+3) = 8/18

  18x = 8(x +3) . . . . . multiply by 18(x+3)

  10x = 24 . . . . . . . . subtract 8x

  x = 2.4 . . . . . . . . . . divide by 10