Respuesta :

[tex]5(n - 2) = 5n - 10 \\ \\ 5n - 10 = 5n - 10 \\ \\ 5n - 10 + 10 = 5n - 10 + 10 \\ \\ 5n = 5n \\ \\ [/tex]

Infinite solutions. This equality is true for any value of n.

a.