Online Self-Tests(E1)

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  1. If x = 2, find the value of 2 + x.

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  (1 point)

  
  

  Answer:

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  2. Evaluate the expression when x = 2.

  13 + x

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  (1 point)

  
  

  Answer:

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  3. If x = 28, find the value of x – 19.

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  (1 point)

  
  

  
  

  Answer:

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  4. If x = 8, find the value of 16 – x.

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  (1 point)

  
  

  Answer:

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  5. Evaluate the expression when x = 5.

  13 – x

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  (1 point)

  
  

  Answer:

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  6. If x = 7, find the value of x – 2.

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  (1 point)

  
  

  Answer:

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