document.write( "Question 392435: The sum of the digits of a two digit number is 14. The first digit is 4 less than the second digit. What is the original number?
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Algebra.Com's Answer #278510 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The sum of the digits of a two digit number is 14. The first digit is 4 less than the second digit. What is the original number?\r \n" ); document.write( "\n" ); document.write( "-------------------------- \n" ); document.write( "Let the number be 10t+u \n" ); document.write( "----- \n" ); document.write( "Equations: \n" ); document.write( "t + u = 14 \n" ); document.write( "t = u-4 \n" ); document.write( "---- \n" ); document.write( "Substitute for \"t\" and solve for \"U\": \n" ); document.write( "u-4+u = 14 \n" ); document.write( "2u = 18 \n" ); document.write( "u = 9 \n" ); document.write( "--- \n" ); document.write( "Solve for \"t\": \n" ); document.write( "t = 9-4 = 5 \n" ); document.write( "---- \n" ); document.write( "Ans: 59 \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=================== \n" ); document.write( " |