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2.5 notes

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2.5 notes

  1. 1. 2.5 equations September 13, 2011 Objective ­ Solving Equations  Warm Up Write a variable expression for each phrase. 1.   the sum of x and 46 2.  four less than gHW pg. 89 #2­32 evens 1
  2. 2. 2.5 equations September 13, 2011 ______ ­ positive numbers ______ ­ negative numbers green box ­ variable Example x + 3 = 4HW pg. 89 #2­32 evens 2
  3. 3. 2.5 equations September 13, 2011 Example x + 3 = 4HW pg. 89 #2­32 evens 3
  4. 4. 2.5 equations September 13, 2011 x + 2 = ­ 4HW pg. 89 #2­32 evens 4
  5. 5. 2.5 equations September 13, 2011 x + 3 = 5 m + 2 = 8 z + 2 = ­6 1 = 1 + d y + 1 = 4 ­4 + y = ­7 ­3 = a ­ 4 ­1 + p = ­5 x + 3 = 6 w ­ 2 = ­3 2b + 2 = 8 ­ need partner for 2 green pieces 3 + 3x = ­6HW pg. 89 #2­32 evens 5
  6. 6. 2.5 equations September 13, 2011 y + 2 = ­2 x + 5 = 2 n + 7 = 1 ­1 = k + 3 x ­ 4 = 5 2 = z ­ 3HW pg. 89 #2­32 evens 6
  7. 7. 2.5 equations September 13, 2011HW pg. 89 #2­32 evens 7

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