document.write( "Question 712398: The sum of two numbers is 7 and their difference is 3. What are the two numbers? \n" ); document.write( "
Algebra.Com's Answer #437905 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The sum of two numbers is 7 and their difference is 3. What are the two numbers? \n" ); document.write( "---- \n" ); document.write( "Equations: \n" ); document.write( "x + y = 7 \n" ); document.write( "x - y = 3 \n" ); document.write( "----- \n" ); document.write( "Add and solve for \"x\": \n" ); document.write( "2x = 10 \n" ); document.write( "x = 5 \n" ); document.write( "----- \n" ); document.write( "Solve for \"y\": \n" ); document.write( "x + y = 7 \n" ); document.write( "5 + y = 7 \n" ); document.write( "y = 2 \n" ); document.write( "---------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=========== \n" ); document.write( " |