document.write( "Question 624608: Solve these equations using the addition property.\r
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document.write( "x + y = k\r
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document.write( "x - y = k\r
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document.write( "The lines intersect at \n" );
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Algebra.Com's Answer #392902 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! x + y = k \n" ); document.write( "x - y = k \n" ); document.write( "--------- \n" ); document.write( "2x + 0y = 2k\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2x = 2k\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 2k/2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = k\r \n" ); document.write( "\n" ); document.write( "----------------------------------------------------------------\r \n" ); document.write( "\n" ); document.write( "x+y = k\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "k+y = k\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = k-k\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "y = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the solutions are x = k and y = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the lines intersect at (k, 0) \n" ); document.write( " |