Online Self-Tests(S7)

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  1-2. Solve the equation.

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  (1 point each)

  
  

  1	1	–	1	=
  	2		10

• 
  

  3-4. Solve the equation.

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  (1 point each)

  
  

  1	1	–	3	=	1
  	2		10

• 
  

  5-6. Solve the equation.

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  (1 point each)

  
  

  3	–	7	=
  2		10

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  7. Find the value of x.

  
  

  x	–	9	=	1	3
  2		10			5

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  (1 point)

  
  

  Answer:

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• 
  

  8. Find the value of x.

  
  

  5	–	x	=	1	3
  2		4			4

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  (1 point)

  
  

  Answer:

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• 
  

  9-10. Solve the equation.

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  (1 point each)

  
  

  2	1	–	5	=
  	2		4