Respuesta :

Answer:

-122

Step-by-step explanation:

18- {5 [34-(17-11)]}

Work inside out.

18- {5 [34-(17-11)]}=

=18- {5 [34-(6)]}=

=18- {5 [28]}=

=18-{140}=

=-122

If the question was written correctly, the answer should be -122.

Hope this helps!