Respuesta :
That would be evaluated to 31+1 because you have to keep change flip. Keep the 31, change the symbol to addition, then flip the negative 1 to a positive number.
[tex]|31|-|-1|[/tex]
[tex]31-|-1|[/tex]
[tex]31-1[/tex]
[tex]=30[/tex]
"30 is correct answer."
Hope this helps!
Thanks!
-Charlie
