document.write( "Question 39408: The sum of two numbers is 100. One number is 5 less than twice the other. Find the numbers. \n" ); document.write( "
Algebra.Com's Answer #24884 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Let the two numbers be x and y. \n" ); document.write( "Thus \n" ); document.write( "x + y = 100 \n" ); document.write( "and \n" ); document.write( "x = 2y - 5 \n" ); document.write( "Now substitute for x in the first equation and get \n" ); document.write( "2y - 5 + y = 100 \n" ); document.write( "3y - 5 = 100 \n" ); document.write( "3y = 105 \n" ); document.write( "y = 35 and since they add to 100, \n" ); document.write( "x = 65 \n" ); document.write( " |