Respuesta :

Recall that:

[tex]-(-17)=-1(-17),[/tex]

then:

[tex]-(-17)=+17.[/tex]

Therefore:

[tex]-30-(-17)=-30+17.[/tex]

Simplifying the above sum we get:

[tex]-30-(-17)=-30+17=-13.[/tex]

Answer:

[tex]-13.[/tex]