document.write( "Question 281386: the sum of two numbers is 45. the first is 9 less than the second find the numbers \n" ); document.write( "
Algebra.Com's Answer #204390 by oberobic(2304) ![]() You can put this solution on YOUR website! x = one number \n" ); document.write( "y = another number \n" ); document.write( "x + y = 45 :: given \n" ); document.write( "x = y + 9 :: y is 9 less than x \n" ); document.write( ". \n" ); document.write( "substitute x = y+9 in the first equation \n" ); document.write( ". \n" ); document.write( "y+9 + y = 45 \n" ); document.write( "2y = 36 \n" ); document.write( "y = 18 \n" ); document.write( ". \n" ); document.write( "now substitute y=18 in the second equation \n" ); document.write( "x + y = 45 \n" ); document.write( "x + 18 = 45 \n" ); document.write( "x = 27 \n" ); document.write( ". \n" ); document.write( "checking... \n" ); document.write( "Is the smaller number 9 less than the larger number? \n" ); document.write( "Yes. \n" ); document.write( ". \n" ); document.write( "Answer: \n" ); document.write( "The two numbers are 18 and 27. \n" ); document.write( ". \n" ); document.write( "Done \n" ); document.write( " |