Respuesta :

[tex]5z + 2 = 5z \\ 5z - 5z = - 2 \\ 0 = - 2[/tex]

Answer : This is because when 5z minus 5z, it is nullified, with no way to determine the value of z. 5z - 5z = 0
That is why there is no solution for this equation.

Hope this helps. - M