Respuesta :

sqdancefan

Answer:

  5

Step-by-step explanation:

A function is equal to its inverse on the line y = x. So, we can find the required value of x by substituting for y:

  y = 2x -5

  x = 2x -5 . . . . substitute y = x

  5 = x . . . . . add 5-x to both sides

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