Q&A #19812

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

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From: Sam <basarkar_sampada@yahoo.com>
To: Teacher2Teacher Service
Date: Sep 24, 2008 at 17:34:00
Subject: Explaining concept -x=2 is equal to x=-2

I need some techniques in explaining this basic concept in algebra that if -x=2 then x=-2. Any help is appreciated.

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