Respuesta :

Divide 30 by 25 to obtain the scale factor as these are similar triangles. 30/25= 1.2
Multiply 20 by 1.2 to give the value of 4x-4. 20 x 1.2= 24.
Form the equation:
4x-4=24
4x=28
x=7

Answer:

The value of x is 7.

Step-by-step explanation:

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