document.write( "Question 58163: The sum of two numbers is two hundred fifteen.The difference of the two numbers is seventy-five.What are the numbers? \n" ); document.write( "
Algebra.Com's Answer #39761 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X+Y=215 \n" ); document.write( "X-Y=75 \n" ); document.write( "X=75+Y \n" ); document.write( "THUS \n" ); document.write( "75+Y+Y=215 \n" ); document.write( "2Y=215-75 \n" ); document.write( "2Y=140 \n" ); document.write( "Y=140/2 \n" ); document.write( "Y=70 \n" ); document.write( "X+70=215 \n" ); document.write( "X=215-70 \n" ); document.write( "X=145 \n" ); document.write( "PROOF \n" ); document.write( "145-70=75 \n" ); document.write( "75=75 \n" ); document.write( " |