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                        • Equivalent equations
                        • Equivalent equations

                        Example 2: Solve an equation

                        Reading time: 1min

                        Note that the solutions are a particular case of equivalent equations. But you can not decide if an equation is solved yet, or is not. Beware, you should not use this mode to ask for solutions to equations. For example, 
                         
                        with correct answer: 

                        Then, the following answers will be accepted or rejected according to the table below:

                        Student answer Validation
                        x=3
                        3x=9
                        2x-2=x+1

                         

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