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                    • Validation Options
                    • Equivalent equations
                    • Equivalent equations

                    Example 1: Equation of a line

                    Reading time: 1min

                    Consider the following question: 
                     
                    with correct answer: 
                     
                    Then, the following answers will be accepted or rejected according to the table below:

                    Student answer Validation
                    y-2/x-1=3
                    y-2=3x-3
                    y=3x-1
                    y/3+1/3=x

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