Respuesta :

So,

We're going to solve:

[tex]\frac{3}{8}+n=\frac{7}{8}[/tex]

For n:

[tex]\begin{gathered} n=\frac{7}{8}-\frac{3}{8} \\ \\ n=\frac{4}{8} \end{gathered}[/tex]

Therefore, n=4/8