Respuesta :

x - [tex] \frac{1}{3}[/tex] = k   Substitute in 3 for k
x - [tex] \frac{1}{3}[/tex] = 3   Add [tex] \frac{1}{3}[/tex] to both sides
x = [tex]3 \frac{1}{3}[/tex]

When k = 3, x = [tex] 3\frac{1}{3}[/tex].