document.write( "Question 256403: Solve these equations by addition.\r
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document.write( "x + y = k
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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 #188520 by drk(1908)![]() ![]() ![]() 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( " |