Answer and Step-by-step explanation:
[tex]Greetings![/tex]
[tex]I'm~Isabelle~Williams~and~I'll~be~answering~your~question![/tex]
[tex]This~equation~is~really~simple~actually.[/tex]
[tex]-4+(4+5)[/tex]
[tex]=-4+9[/tex]
[tex]=5[/tex]
[tex]5~is~the~answer~to~your~question![/tex]
