document.write( "Question 561575: Solve the equations by substitution. If the equations are inconsistent and the solution is an empty set, write \"no solution\".\r
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Algebra.Com's Answer #364302 by Edwin McCravy(20063)\"\" \"About 
You can put this solution on YOUR website!
Solve the equations by substitution. If the equations are inconsistent and the solution is an empty set, write \"no solution\".
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document.write( "5x - 2y = 6\r\n" );
document.write( "      x = 5 - y\r\n" );
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document.write( "The second equation is already solved for x, so\r\n" );
document.write( "we substitute (5 - y) for x in the first equation:\r\n" );
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document.write( "      5x - 2y = 6\r\n" );
document.write( "5(5 - y) - 2y = 6\r\n" );
document.write( " 25 - 5y - 2y = 6\r\n" );
document.write( "      25 - 7y = 6\r\n" );
document.write( "          -7y = -19\r\n" );
document.write( "            y = \"%28-19%29%2F%28-7%29\"\r\n" );
document.write( "            y = \"19%2F7\"\r\n" );
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document.write( "Substitute \"19%2F7\" for y in\r\n" );
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document.write( "      x = 5 - y\r\n" );
document.write( "      x = 5 - \"19%2F7\"\r\n" );
document.write( "      x = 5·\"7%2F7\" - \"19%2F7\"\r\n" );
document.write( "      x = \"35%2F7\" - \"19%2F7\"\r\n" );
document.write( "      x = \"16%2F7\"\r\n" );
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document.write( "Solution:   (x,y) = (\"16%2F7\",\"19%2F7\")\r\n" );
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document.write( "Edwin

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