document.write( "Question 1006744: Can you please help solve this problem:
\n" ); document.write( "Julia is 20 years younger than allison. In two years Allison will be twice as old as Julia. How old are they now?
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Algebra.Com's Answer #622817 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Let \"+j+\" = Julia's age now
\n" ); document.write( "Let \"+a+\" = Allison's age now
\n" ); document.write( "\"+j+%2B+2+\" = Julia's age in 2 years
\n" ); document.write( "\"+a+%2B+2+\" = Allison's age in 2 years
\n" ); document.write( "------------------------------
\n" ); document.write( "(1) \"+j+=+a+-+20+\"
\n" ); document.write( "(2) \"+a+%2B+2+=+2%2A%28+j+%2B+2+%29+\"
\n" ); document.write( "-----------------------
\n" ); document.write( "(1) \"+a+-+j+=+20+\"
\n" ); document.write( "and
\n" ); document.write( "(2) \"+a+%2B+2+=+2j+%2B+4+\"
\n" ); document.write( "(2) \"+a+-+2j+=+2+\"
\n" ); document.write( "--------------------
\n" ); document.write( "Subtract (2) from (1)
\n" ); document.write( "(1) \"+a+-+j+=+20+\"
\n" ); document.write( "(2) \"+-a+%2B+2j+=+-2+\"
\n" ); document.write( "--------------------
\n" ); document.write( "\"+j+=+18+\"
\n" ); document.write( "and
\n" ); document.write( "(1) \"+a+-+j+=+20+\"
\n" ); document.write( "(1) \"+a+-+18+=+20+\"
\n" ); document.write( "(1) \"+a+=+38+\"
\n" ); document.write( "---------------
\n" ); document.write( "Allison is 38
\n" ); document.write( "Julia is 18
\n" ); document.write( "--------------
\n" ); document.write( "check:
\n" ); document.write( "(2) \"+a+%2B+2+=+2%2A%28+j+%2B+2+%29+\"
\n" ); document.write( "(2) \"38+%2B+2+=+2%2A%28+18+%2B+2+%29+\"
\n" ); document.write( "(2) \"+40+=+2%2A20+\"
\n" ); document.write( "(2) \"+40+=+40+\"
\n" ); document.write( "OK
\n" ); document.write( "
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