Respuesta :

EB * AE = DE *EF

x+3 *3 = 6*x-2 

simplify:

3x+9 = 6x-12
subtract 3x from each side

9 = 3x -12

add 12 to each side

21 = 3x
divide both sides by 3

x = 21/3
x = 7

replace x with 7 to find EB

EB = 7+3 = 10 cm