Respuesta :

Answer:

x = 8 and YZ = 16

Step-by-step explanation:

since Y is between X and Z , then

XY + YZ = XZ , that is

12 + 2x = 28 ( subtract 12 from both sides )

2x = 16 ( divide both sides by 2 )

x = 8

and YZ = 2x = 2 × 8 = 16

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