document.write( "Question 922697: If x-y=81 and x+y=721 then what is the value of Y? \n" ); document.write( "
Algebra.Com's Answer #559927 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Subtract the first equation from the second. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |