Josh's scribepost

Hello 8-14

Integer Subtraction

       owe 30   owe 10
1.) (-30) - (-10)= (-30) + (+10)

negative 30 remove negative 10

negative 30 and positive 10

    
   have 24   owe 83
2.) (+24) - (-83)= (+24) + (+83)

positive 24 remove negative 83

positive 24 and positive 83

    
  have 89   owe 93
3.) (+89) - (-93) = (+89) + (+93)

positive 89 remove negative 93

positive 89 and positive 93

here is the link  to help you remember what to do with positive and negative numbers (integers) with adding and subtracting.

 math.about.com/od/prealgebra/ht/PostiveNeg.htm

here is the video on how to add/subtract negative number.