document.write( "Question 917732: if lucy was three times as old as she was four years ago she will be fourteen more than her current age. how old is lucy
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Algebra.Com's Answer #556851 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! if Lucy was three times as old as she was four years ago she will be fourteen more than her current age. how old is Lucy \n" ); document.write( "now \n" ); document.write( "let a = Lucy's present age \n" ); document.write( "then \n" ); document.write( "(a-4) = Her age 4 yrs ago \n" ); document.write( ": \n" ); document.write( "Write an equation for just what it says \n" ); document.write( "3(a-4) = a + 14 \n" ); document.write( "3a - 12 = a + 14 \n" ); document.write( "3a - a = 14 + 12 \n" ); document.write( "2a = 26 \n" ); document.write( "a = 26/2 \n" ); document.write( "a = 13 yrs is her present age \n" ); document.write( ": \n" ); document.write( "You can confirm this by replacing a with 13 in the original equation \n" ); document.write( " |