document.write( "Question 120249: jeremaiah is now 10 yrs older than his sister justin. in five years jeremiah's age will be twice justine's age. how old are they now? \n" ); document.write( "
Algebra.Com's Answer #88115 by checkley71(8403)\"\" \"About 
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JUSTINE=X NOW
\n" ); document.write( "JEREMIAH=X+10 NOW
\n" ); document.write( "IN 5 YEARS JUSTINE WILL BE X+5
\n" ); document.write( "IN 5 YEARS JEREMIAH WILL BE X+10+5=X+15
\n" ); document.write( "2(X+5)=(X+15)
\n" ); document.write( "2X+10=X+15
\n" ); document.write( "2X-X=15-10
\n" ); document.write( "X=5 AGE OF JUSTINE NOW.
\n" ); document.write( "5+10=15 AGE OF JEREMIAH NOW.
\n" ); document.write( "PROOF
\n" ); document.write( "2(5+5)=5+15
\n" ); document.write( "2*10=20
\n" ); document.write( "20=20
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