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)![]() ![]() ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " \n" ); document.write( " |