document.write( "Question 415042: find two numbers who sum is -66 and whose difference is -116 \n" ); document.write( "
Algebra.Com's Answer #291014 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! \"find two numbers who sum is -66 and whose difference is -116\"\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = one number \n" ); document.write( "y = other number\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + y = -66 {sum is -66} \n" ); document.write( "x - y = -116 {difference is -116} \n" ); document.write( "------------ \n" ); document.write( "2x = -182 {added the two equations together} \n" ); document.write( "x = -91 {divided both sides by 2}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x + y = -66 {top equation} \n" ); document.write( "-91 + y = -66 {substituted -91, in for x, into top equation} \n" ); document.write( "y = 25 {added 91 to both sides}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Two numbers are -91 and 25\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "*To check* \n" ); document.write( "-91 + 25 = -66 {sum is -66} \n" ); document.write( "-91 - 25 = -116 {difference is -116} \n" ); document.write( "www.algebrahouse.com \n" ); document.write( " |