document.write( "Question 300032: The sum of two numbers is 30 and their difference is 10. What are the two numbers? \n" ); document.write( "
Algebra.Com's Answer #215405 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! X+Y=30 \n" ); document.write( "X-Y=10 ADD \n" ); document.write( "--------------- \n" ); document.write( "2X=40 \n" ); document.write( "X=40/2 \n" ); document.write( "X=20 ANS. \n" ); document.write( "20+Y=30 \n" ); document.write( "Y=30-20 \n" ); document.write( "Y=10 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "20-10=10 \n" ); document.write( "10=10 \n" ); document.write( " |