Respuesta :

Answer:

x = 10.

Step-by-step explanation:

Because the angles are the same, the two triangles are similar. So, we can set up a proportion.

[tex]\frac{x}{5} = \frac{x-4}{3}[/tex]

5(x - 4) = 3 * x

5x - 20 = 3x

2x = 20

x = 10

Sorry this is really late, but hope it helps!