-you do NOT subtract integers ... Mr. Harbeck says there is no such thing as subtracting ^o)
Using integer chips you do this, look at it carefully:
Hopefully, I did this correctly and that my explanations were clear.. ;S I rushed this because I have a ton of homework -.-' I better get started on that, and before I forget ... The next scribe is ... (suspense) NICOLE N. sorry dude, I picked randomly!!