document.write( "Question 126022: One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number \n" ); document.write( "
Algebra.Com's Answer #92355 by marcsam823(57) ![]() You can put this solution on YOUR website! Let x = the smaller number \n" ); document.write( "Let x + 12 = the larger number \n" ); document.write( "The sum of the smaller number (x) and two times the larger number [2(x + 12)] is:\r \n" ); document.write( "\n" ); document.write( "Set up equation: \n" ); document.write( "x + 2(x + 12) = 39 \n" ); document.write( "Solve: \n" ); document.write( "x + 2x + 24 = 39 \n" ); document.write( "3x = 15 \n" ); document.write( "x = 5 = smaller number \n" ); document.write( "x + 12 = 17 = larger number \n" ); document.write( "Substitute and check: \n" ); document.write( "5 + 2(17) = 5 + 34 = 39 \n" ); document.write( " |