document.write( "Question 433911: HEY! can you help me figure out this digit problem?? Im stuck at the end result and need some help...Thanks!!
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document.write( "The value of a certain two-digit number is 9 times the sum of its digits. If the digits are reversed, the resulting number is 63 less than the original number. Find the original number. \n" );
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Algebra.Com's Answer #300723 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The value of a certain two-digit number is 9 times the sum of its digits. If the digits are reversed, the resulting number is 63 less than the original number. Find the original number. \n" ); document.write( "---------------- \n" ); document.write( "Equations: \n" ); document.write( "10t+u = 9(t+u) \n" ); document.write( "10u+t = (10t+u)-63 \n" ); document.write( "------------------------- \n" ); document.write( "Rearrange: \n" ); document.write( "t = 8u \n" ); document.write( "9u-9t = -63 \n" ); document.write( "------------------- \n" ); document.write( "t = 8u \n" ); document.write( "u-t = -7 \n" ); document.write( "---- \n" ); document.write( "Substitute for \"t\" ans solve for \"u\": \n" ); document.write( "u-8u = -7 \n" ); document.write( "-7u = -7 \n" ); document.write( "u = 1 \n" ); document.write( "--- \n" ); document.write( "Solve for \"t\": \n" ); document.write( "t = 8*1 \n" ); document.write( "t = 8 \n" ); document.write( "--- \n" ); document.write( "Original Number: 10t+u = 81 \n" ); document.write( "=============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |