document.write( "Question 255250: One number is 38 less than another. Their sum is 142. Can you find the numbers? \n" ); document.write( "
Algebra.Com's Answer #187568 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! x-y=38 or x=38+y \n" ); document.write( "x+y=142 \n" ); document.write( "Now replace x with (38+y) in the second equation & solve for y. \n" ); document.write( "(38+y)+y=142 \n" ); document.write( "38+2y=142 \n" ); document.write( "2y=142-38 \n" ); document.write( "2y=104 \n" ); document.write( "y=104/2 \n" ); document.write( "y=52 ans. \n" ); document.write( "x-52=38 \n" ); document.write( "x=38+52 \n" ); document.write( "x=90 ans. \n" ); document.write( "Proof: \n" ); document.write( "52+90=142 \n" ); document.write( "142=142 \n" ); document.write( " \n" ); document.write( " |