document.write( "Question 636600: The sum of three numbers is 111. The third number is 3 times the first. The first number is 6 less than the second. What are the numbers? \n" ); document.write( "
Algebra.Com's Answer #565517 by ptfile(81)![]() ![]() You can put this solution on YOUR website! Let x = the second number \n" ); document.write( " x-6 = the first number \n" ); document.write( "3(x-6)= the third number\r \n" ); document.write( "\n" ); document.write( "The sum of three numbers is 111. \n" ); document.write( "x-6+x+3(x-6)=111 \n" ); document.write( " x-6+x+3x-18=111 \n" ); document.write( " 5x-24=111 \n" ); document.write( " 5x=135 \n" ); document.write( " x=27\r \n" ); document.write( "\n" ); document.write( "Substitute x for 27 \n" ); document.write( "27-6=21 \n" ); document.write( "3(27-6)=63\r \n" ); document.write( "\n" ); document.write( "The numbers are 21,27 and 63. \n" ); document.write( " |