Respuesta :

choixongdong
25/5 = 5
and also 
15/3 = 5
so
(3x+ 8)/5 = 4
3x + 8 = 20
3x = 12
  x = 12/3
  x = 4

answer is x = 4
3x + 8 = 4 * 5 = 20
x = 4

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