document.write( "Question 119769: solve by substitution\r
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document.write( "x-y=-3
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document.write( "x-y=4 \n" );
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Algebra.Com's Answer #87757 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! x-y=-3 & x-y=4 do not have unique solutions: \n" ); document.write( "x=y-3 \n" ); document.write( "(y-3)-y=4 \n" ); document.write( "y-3-y=4 \n" ); document.write( "-3=4 not a solution. \n" ); document.write( "even if you attempt to graph these 2 equations there is no solution: \n" ); document.write( " |