document.write( "Question 82658: Kelly is nine years older than her sister
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document.write( "Kelly's age is one more than twice her sisters age.
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document.write( "whats is kelly's age? \n" );
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Algebra.Com's Answer #59268 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Kelly is nine years older than her sister \n" ); document.write( "Kelly's age is one more than twice her sisters age. \n" ); document.write( "whats is kelly's age? \n" ); document.write( "------------- \n" ); document.write( "Let her sister's age be \"x\". \n" ); document.write( "Then Kelly's age is 2x+1. \n" ); document.write( "----------- \n" ); document.write( "EQUATION: \n" ); document.write( "Kelly's age - Sister's age = 9 \n" ); document.write( "2x+1-x = 9 \n" ); document.write( "x+1=9 \n" ); document.write( "x=8 (Sister's age) \n" ); document.write( "2x+1 = 17 (Kelly's age) \n" ); document.write( "=========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |