SOLUTION: How do you rewrite to addition and solve using a number line?

Algebra ->  Algebra  -> Number-Line -> SOLUTION: How do you rewrite to addition and solve using a number line?      Log On

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 234051: How do you rewrite to addition and solve using a number line?
Answer by rfer(10417) About Me  (Show Source):
You can put this solution on YOUR website!
4+8=12 on the number line
4-8= start at +4 and movr 98 places to the left, or -4
when you add numbers with different signs, subtract and the answer gets the sign of the largest number.
Does that help?
Bob