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document.write( "  Start with the given system of equations:
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document.write( "  In order to graph these equations, we need to solve for y for each equation.
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document.write( "  So let's solve for y on the first equation
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  Start with the given equation \n" );
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  Subtract  from both sides \n" );
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  Rearrange the equation \n" );
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  Divide both sides by  \n" );
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  Break up the fraction \n" );
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  Reduce \n" );
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document.write( "  Now lets graph
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  Graph of  \n" );
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document.write( "  So let's solve for y on the second equation
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  Start with the given equation \n" );
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  Subtract  from both sides \n" );
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  Rearrange the equation \n" );
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  Divide both sides by  \n" );
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  Break up the fraction \n" );
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  Reduce \n" );
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document.write( "  Now lets add the graph of
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  Graph of  (red) and  (green) \n" );
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document.write( "  From the graph, we can see that the two lines intersect at the point (
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