document.write( "Question 121424: Solve the system by addition\r
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document.write( "x+y=1
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document.write( "x-y=3 \n" );
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Algebra.Com's Answer #89092 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X+Y=1 \n" ); document.write( "X-Y=3 NOW ADD \n" ); document.write( "-------------------- \n" ); document.write( "2X=4 \n" ); document.write( "X=4/2 \n" ); document.write( "X=2 ANSWER. \n" ); document.write( "2+Y=1 \n" ); document.write( "Y=1-2 \n" ); document.write( "Y=-1 ANSWER. \n" ); document.write( " |