document.write( "Question 518429: If someone says in 2 years they will be twice as old as they were 5years ago, how old are they? \n" ); document.write( "
Algebra.Com's Answer #345204 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Let a = his present age \n" ); document.write( ": \n" ); document.write( "\"in 2 years they will be twice as old as they were 5years ago,\" \n" ); document.write( "a + 2 = 2(a-5) \n" ); document.write( "a + 2 = 2a - 10 \n" ); document.write( "a - 2a = -10 - 2 \n" ); document.write( "-a = -12 \n" ); document.write( "a = 12 yrs is his present age \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check this in the given statement: \n" ); document.write( "\"in 2 years they will be twice as old as they were 5 yrs ago,\" \n" ); document.write( "12+2 = 2(12-5) \n" ); document.write( "14 = 2(7) \n" ); document.write( " |