document.write( "Question 677812: jamal is 12 years older than twice stephanie's age. the sum of their ages is 45.
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Algebra.Com's Answer #421067 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! jamal is 12 years older than twice stephanie's age. the sum of their ages is 45. \n" ); document.write( "------ \n" ); document.write( "Equation: \n" ); document.write( "j + s = 45 \n" ); document.write( "j = 2s+12 \n" ); document.write( "----- \n" ); document.write( "Substitute for \"j\" and solve for \"s\": \n" ); document.write( "2s+12 + s = 45 \n" ); document.write( "3s = 33 \n" ); document.write( "s = 11 (Stephanie's age now) \n" ); document.write( "----- \n" ); document.write( "Solve for \"j\": \n" ); document.write( "j + s = 45 \n" ); document.write( "j + 11 = 45 \n" ); document.write( "j = 34 (Jamal's age now) \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " |