document.write( "Question 45815: solve by substitution\r
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document.write( "x+y=-9
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document.write( "x-y=14 \n" );
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Algebra.Com's Answer #30417 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X+Y=-9 OR X=-9-Y THEN -9-Y-Y=14 OR -9-2Y=14 OR -2Y=14+9 OR -2Y=23 Y=23/-2 OR Y=-11.5 THEN\r \n" ); document.write( "\n" ); document.write( "X-11.5=-9 OR X=-9+11.5 OR X=2.5 \n" ); document.write( " |