1' Find x if x 5

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• 1. Find -x if x -5
• 2. Describe integers
• 3. Add -5 (-8)
• 4. Add -6 2
• 5. List three key words for Multiplication

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Chapter 2.3

• Subtraction of Integers

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(No Transcript)
4

• To subtract add the opposite
• a - b a (-b)

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• Subtract 5 - 8

0
-5
5
6

• Subtract 3 - 7

0
-5
5
7

• Subtract -14-(-23)

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• Subtract -12-30

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• Subtract -20-(-17)

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• Subtract 2-6

0
-5
5
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• Subtract 4 - (-9)

0
-5
5
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• Subtract -4 - 8

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• Subtract 10 - 7

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• Subtract -4 - (-9)

0
-5
5
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• Subtract -7 - (-3)

0
-5
5
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• Subtract -3 - (-5)

0
-5
5
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• The EZ Pass program allows drivers in the
  Northeast to travel certain toll roads without
  having to stop to pay. Instead, a transponder
  attached to the vehicle is scanned as the vehicle
  rolls through a toll booth.

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• Recently the Ramones began a trip to New York
  city with a balance of 12 in their EZ Pass
  account. The trip accumulated 15 in tolls, and
  because they overspent their balance, the Ramones
  had to pay 80 in fines and administrative fees.

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• By how much were the Ramones in debt as a result
  of their travel on the toll roads.

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• Lesson 2.3 Page 112 Number 1-68