document.write( "Question 624608: Solve these equations using the addition property.\r
\n" ); document.write( "\n" ); document.write( "x + y = k\r
\n" ); document.write( "\n" ); document.write( "x - y = k\r
\n" ); document.write( "\n" ); document.write( "The lines intersect at
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Algebra.Com's Answer #392902 by jim_thompson5910(35256)\"\" \"About 
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
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\n" ); document.write( "\n" ); document.write( "x = 2k/2\r
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\n" ); document.write( "\n" ); document.write( "x = k\r
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\n" ); document.write( "\n" ); document.write( "x+y = k\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "k+y = k\r
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\n" ); document.write( "\n" ); document.write( "y = k-k\r
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\n" ); document.write( "\n" ); document.write( "y = 0\r
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\n" ); document.write( "\n" ); document.write( "So the solutions are x = k and y = 0\r
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\n" ); document.write( "\n" ); document.write( "So the lines intersect at (k, 0)
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