13 + (-12) - (-5) =
First, let us simplify our brackets (remove parentheses). Negative and positive signs rules: + and - makes -.
[tex]13 - 12 + 5[/tex]
Second, let's continue to add and subtract now. Let's start off with (13 - 12) which will give us 1. Our problem will look like: [tex]1 + 5[/tex] . Easy, (1 + 5) equals 6.
Answer: [tex]\fbox { B) 6 }[/tex]
