Respuesta :

alemteihay

Answer:

17

Step-by-step explanation:

square root of x-1 +5=9

square root of x-1 = 4multiple by power of 2 because square root is cancled by 2.

x-1=16,x=17
  • √x-1+5=9
  • √x+4=9
  • x+4=9²
  • x+4=81
  • x=77

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