Respuesta :

sqdancefan

Answer:

  x = 2.5

Step-by-step explanation:

Two vertical angles are congruent, so ...

  m∠JOY = m∠LOV

  8x +15 = 4x +25

  4x = 10 . . . . . . . . . . subtract 4x+15

  x = 10/4 = 2.5 . . . . .divide by the coefficient of x

The value of x is 2.5.