document.write( "Question 241441: Solve the system of eqations.
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document.write( "x + y = -4
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document.write( "x - y = 10 \n" );
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Algebra.Com's Answer #176809 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x + y = -4 \n" ); document.write( "x - y = 10 add. \n" ); document.write( "------------------- \n" ); document.write( "2x=6 \n" ); document.write( "x=6/2 \n" ); document.write( "x=3 ans. \n" ); document.write( "3+y=-4 \n" ); document.write( "y=-4-3 \n" ); document.write( "y=-7 ans. \n" ); document.write( "Proof: \n" ); document.write( "3-(-7)=10 \n" ); document.write( "3+7=10 \n" ); document.write( "10=10 \n" ); document.write( " |