Respuesta :

Answer:

LN = 4

Step-by-step explanation:

given M lies on LN , then

LN = LM + MN  ( substitute values )

4x = 3 + x ( subtract x from both sides )

3x = 3 ( divide both sides by 3 )

x = 1

Then

LN = 4x = 4 × 1 = 4