Respuesta :

Answer:

x = 27

Step-by-step explanation:

The given angles are vertical and congruent, thus

5(x - 4) = 4x + 7 ← distribute left side

5x - 20 = 4x + 7 ( subtract 4x from both sides )

x - 20 = 7 ( add 20 to both sides )

x = 27

(4x+7)=[5(x-4)]

4x+7=5x-5×4

                ↓

4x+7=5x-20

      ⇄

4x+5x=7+20

x=27