Answer :
[tex]answer \\ - \frac{5}{7} \\ please \: see \: the \: attached \: picture \: for \: full \: solution \\ hope \: it \: helps[/tex]

[tex]answer \\ - \frac{5}{7} \\ please \: see \: the \: attached \: picture \: for \: full \: solution \\ hope \: it \: helps[/tex]