SOLUTION: Could you explain simply how to add negative & positive numbers? And then how to subtract negative & positive numbers? This is for an adult who's never taken algebra before. Thank

Algebra ->  Number-Line -> SOLUTION: Could you explain simply how to add negative & positive numbers? And then how to subtract negative & positive numbers? This is for an adult who's never taken algebra before. Thank       Log On


   



Question 324166: Could you explain simply how to add negative & positive numbers? And then how to subtract negative & positive numbers? This is for an adult who's never taken algebra before. Thank you.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
I'll give you some examples:
+5+6=+10
+5-6=-1
-4-7=-11
-4+7=+3
Rules for multiplication:
+*+=+
-*+=-
+*-=-
-----------------
-(-3)+2=3+2=5
-(+4)-2=-4-2=-6
-(-8)-(-1)=8+1=9
Rules for division:
+/+=+
-/+=-
+/-=-
-/-=+
---------------------
+3/+4=3/4
-3/4=-3/4
3/-4=-3/4
-3/-4=3/4