Austin Community College - Compass Math Test Prep

[asianvicky8811]

i need to take math classes

[imisrael92]

Easy

[Makeup891]

when i do math problems with negatives and positives i always think of it like money...like this problem i would think of it as i borrow four dollars from you then i borrow another two dollars from you so in total i ow you six dollars. then i get seven dollars and pay you back your six dollars so I'm left with one dollar