document.write( "Question 129412: Thirteen years from now Amanda will be twice as old as she was seven years ago. Her present age is? \n" ); document.write( "
Algebra.Com's Answer #94534 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Let's call Amanda's age right now, A.
\n" ); document.write( "\"A%2B13=2%28A-7%29\"
\n" ); document.write( "\"A%2B13=2A-14\"
\n" ); document.write( "\"-A=-27\"
\n" ); document.write( "\"A=27\"
\n" ); document.write( "Check your answer.
\n" ); document.write( "13 years from now, Amanda will be 40.
\n" ); document.write( "7 years ago, Amanda was 20.
\n" ); document.write( "The original statement is verified.
\n" ); document.write( "Amanda is 27 years old.
\n" ); document.write( "
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