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Directions:Evaluate each expression when a=4, b=3 and y = -1.
1. 3a +4b
2. -2by +4a +1
3. 2 (2ab-2)
4. 4ab -2by - 5
5. (a - 2) (b-y)​​

Sagot :

Answer:

  1. 24
  2. 23
  3. 44
  4. 59
  5. 4

Step-by-step explanation:

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