Error Analysis_ Linear Eqn

3  students, student A, student B and student C submitted the following solution during a recent class quiz. Your task is to evaluate their solution and identify the nature of the error(s) committed.

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Possible types of errors, among others, are:
  • Miscopy question
  • Conceptual error due to
  • Wrong understanding of algebraic fraction
  • Transfer error in an equation (negative instead of positive)
  • Multiplication/division of signs error
  • Careless error eg. Arithmetic error in addition, subtraction etc
  • others 
Student A
 Student B
  Student C

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