Online Self-Tests(S11)

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  1-2. Solve the equation.

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  (1 point each)

  
  

  3	–	2	=
  5		4

• 
  

  3-4. Solve the equation.

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  (1 point each)

  
  

  3	–	3	=
  2		5

• 
  

  5. Find the unknown values.

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  (1 point each)

  
  

  	6	=
  	8		4

• 
  

  6. Find the value of x.

  
  

  x	–	3	=	3
  4		5		20

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  (1 point)

  
  

  Answer:

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• 
  

  7. Find the value of x.

  
  

  1	–	x	=	1
  2		3		6

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  (1 point)

  
  

  Answer:

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• 
  

  8. Find the unknown value.

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  (1 point)

  
  

  14	=		1
  6			3