document.write( "Question 256403: Solve these equations by addition.\r
\n" ); document.write( "\n" ); document.write( "x + y = k
\n" ); document.write( "x - y = k\r
\n" ); document.write( "\n" ); document.write( "The lines intersect at (?,?)
\n" ); document.write( "

Algebra.Com's Answer #188520 by drk(1908)\"\" \"About 
You can put this solution on YOUR website!
add down do get
\n" ); document.write( "2x = 2k
\n" ); document.write( "x = k
\n" ); document.write( "y = 0
\n" ); document.write( "So our coordinate of intersection is
\n" ); document.write( "(K,0)
\n" ); document.write( "
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