Online Self-Tests(S14)

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  1-2. Solve the equation.

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  (1 point each)

  
  

  1	1	–	2	=
  	4		3

• 
  

  3-4. Solve the equation.

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  (1 point each)

  
  

  1	–	2	=
  2		7

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  5-6. Solve the equation.

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  (1 point each)

  
  

  1	1	–	4	=
  	2		5

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  7. Find the value of x.

  
  

  1	x	–	1	=	7
  	5		2		10

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  (1 point)

  
  

  Answer:

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• 
  

  8. Find the value of x.

  
  

  1	4	–	x	=	1
  	7		2		14

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  (1 point)

  
  

  Answer:

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• 
  

  9-10. Solve the equation.

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  (1 point each)

  
  

  1	1	–	4	=
  	6		5