document.write( "Question 521871: The sum of two numbers is five times their difference. If one number exceeds the other by 7, find the numbers. \n" ); document.write( "
Algebra.Com's Answer #346603 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The sum of two numbers is five times their difference. If one number exceeds the other by 7, find the numbers. \n" ); document.write( "----------------- \n" ); document.write( "Equations: \n" ); document.write( "x+y = 5(x-y) \n" ); document.write( "x = y + 7 \n" ); document.write( "-------------------- \n" ); document.write( "Substitute for \"x\" and solve for \"y\": \n" ); document.write( "y+7+y = 5(y+7-y) \n" ); document.write( "2y + 7 = 35 \n" ); document.write( "2y = 28 \n" ); document.write( "y = 14 (one of the numbers) \n" ); document.write( "------ \n" ); document.write( "Solve for \"x\": \n" ); document.write( "x = y + 7 \n" ); document.write( "x = 14+7 \n" ); document.write( "x = 21 (the other number) \n" ); document.write( "================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============= \n" ); document.write( " |