Online Self-Tests(S15)

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  1-2. Solve the equation.

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  (1 point each)

  
  

  1	2	–	1	=
  	3		2

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  3-4. Solve the equation.

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  (1 point each)

  
  

  1	2	–	1	1	=
  	3			2

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  5-6. Solve the equation.

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  (1 point each)

  
  

  1	3	–	1	1	=
  	4			3

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  7. Find the value of x.

  
  

  1	x	–	5	=	7
  	4		5		20

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  (1 point)

  
  

  Answer:

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  8. Find the value of x.

  
  

  1	3	–	1	x	=	9
  	6			5		30

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  (1 point)

  
  

  Answer:

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• 
  

  9-10. Solve the equation.

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  (1 point each)

  
  

  1	3	–	1	1	=
  	7			6