document.write( "Question 943166: How old is Bernie if next year he will be twice as old as he was seven years ago \n" ); document.write( "
Algebra.Com's Answer #574986 by Merciful(5)![]() ![]() ![]() You can put this solution on YOUR website! Let x = Bernie's present age \n" ); document.write( "x + 1 = Bernie's age after one year \n" ); document.write( "x - 7 = Bernie's age seven years ago \n" ); document.write( "Bernie's age after a year will be equal to twice the age he was seven years ago \n" ); document.write( "THEREFORE\r \n" ); document.write( "\n" ); document.write( "x + 1 = 2( x - 7 ) \n" ); document.write( "x + 1 = 2x - 14 \n" ); document.write( "x = 15 \n" ); document.write( " |