Teacher2Teacher Q&A #19812

Explaining concept -x=2 is equal to x=-2

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 Description: Suggestions for helping students understand that if -x=2, then x=-2. Level: Middle School (6-8) Math topic: Basic Algebra Ed. topic: Specific Math Concepts/Techniques

 Original Question/Response ``` 24 Sep 08 ```   Explaining concept -x=2 is equal to x=-2 by Sam ``` 25 Oct 08 ```   Re: Explaining concept -x=2 is equal to x=-2 by Gail

 Public Discussion ``` 04 Sep 09   ``` -x=2 is same as x=-2 by Robert ``` 05 Sep 09   ``` -x=2 is equal to x=-2 by Robert ``` 06 Sep 09   ``` Reference by Robert ``` 06 Sep 09   ``` -x=2 is equal to x=-2 by Robert ``` 29 Jan 10        ``` Re: -x=2 is equal to x=-2 by kiran talla ``` 16 Sep 09   ``` math by jessica ``` 21 Sep 09        ``` Re: math by Robert ``` 21 Sep 09        ``` Re: math by Robert ``` 21 Sep 09        ``` Re: math by Robert ``` 16 Dec 09   ``` Math help by Ron Clark

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