document.write( "Question 1018019: The sum of 2 numbers is 5. 5 times the larger number plus 4 times the smaller number is 38. Find the number \n" ); document.write( "
Algebra.Com's Answer #634256 by fractalier(6550) You can put this solution on YOUR website! Call the larger and smaller numbers, x and y. \n" ); document.write( "Then we have \n" ); document.write( "x + y = 5 \n" ); document.write( "and \n" ); document.write( "5x + 4y = 38 \n" ); document.write( "A few ways to do this, so here's one... \n" ); document.write( "If x + y = 5, then y = 5 - x \n" ); document.write( "Now substitute and get \n" ); document.write( "5x + 4(5-x) = 38 \n" ); document.write( "5x + 20 - 4x = 38 \n" ); document.write( "x + 20 = 38 \n" ); document.write( "x = 18 \n" ); document.write( "y must be 5 - 18 = -13 \n" ); document.write( " \n" ); document.write( " |