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Here are some screenshots of the "Balanced Systems of Equations" activity that we attempted.  Notice in the first screenshot the x and y values do not balance the equations, and in the second one, the x and y have been moved so that they have balanced both equations.  We can say that the solution for both equations y=2x-3 and x+y=9, are x=4 and y=5, or that the intersection of these two lines occurs at the point (4, 5).
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Before

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After

 


Comments

09/19/2012 11:54am

Nice post. I read your post. It’s very simple and informatics. Thank you for sharing..............

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