document.write( "Question 360410: Find the coordinates of the vertices for:
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Algebra.Com's Answer #257174 by Edwin McCravy(20063)\"\" \"About 
You can put this solution on YOUR website!
You will need to be able to solve a system of two equations\r\n" );
document.write( "in two variables to do this problem.  If you don't know how\r\n" );
document.write( "to do that post again asking how.\r\n" );
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document.write( "I will color-code the equations and their graphs:\r\n" );
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document.write( "\"system%28red%28y=8-4x%29%2C+green%28y=5-x%29%2C+blue%28y=x-2%29%29\"\r\n" );
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document.write( "We want to find the three vertices, the vertices A,B, and C\r\n" );
document.write( "of triangle ABC  (points where two line intersect):\r\n" );
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document.write( "To find the vertex where the red and green lines intersect, \r\n" );
document.write( "solve this system:\r\n" );
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document.write( "\"system%28red%28y=8-4x%29%2C+green%28y=5-x%29%29\"\r\n" );
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document.write( "Solve them by substitution and get (1,4)\r\n" );
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document.write( "To find the vertex where the red and blue lines intersect, \r\n" );
document.write( "solve this system:\r\n" );
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document.write( "\"system%28red%28y=8-4x%29%2C++blue%28y=x-2%29%29\"\r\n" );
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document.write( "Solve them by substitution and get (2,0)\r\n" );
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document.write( "To find the vertex where the red and green lines intersect \r\n" );
document.write( "by solving this system:\r\n" );
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document.write( "\"system%28green%28y=5-x%29%2C+blue%28y=x-2%29%29\"\r\n" );
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document.write( "Solve them by substitution and get (\"7%2F2\",\"3%2F2\")\r\n" );
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document.write( "Edwin
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