Respuesta :

I think it’s -19/18 hope it helped

[tex]-\frac{1}{2} -(-\frac{5}{9} )[/tex]

[tex]-\frac{1}{2}+\frac{5}{9}[/tex]

[tex]-\frac{9}{18} +\frac{10}{18}[/tex]

[tex]=\frac{1}{18}[/tex]