document.write( "Question 944105: I tried to use similar problems but can't seem to figure this one out. Please provide step by step so I can understand for future :)\r
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document.write( "FInd a 6digit # in which the 1st digit is 1 more than the 3rd, the 2nd digit is 1 less than the 4th, the 5th digit is 1 less than the 3rd, and the 6th digit is 1 more than the 4th. The sum of the 2nd and 3rd digit equals the 1st. The sum of all digits is 30. \r
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document.write( "adrianna.email@gmail.com thanks \n" );
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Algebra.Com's Answer #575644 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! FInd a 6digit # in which the 1st digit is 1 more than the 3rd, the 2nd digit is 1 less than the 4th, the 5th digit is 1 less than the 3rd, and the 6th digit is 1 more than the 4th. The sum of the 2nd and 3rd digit equals the 1st. The sum of all digits is 30. \n" ); document.write( "Let the number be abcdef \n" ); document.write( "---- \n" ); document.write( "a = c+1 \n" ); document.write( "b = d-1 \n" ); document.write( "e = c-1 \n" ); document.write( "f = d+1 \n" ); document.write( "b + c = a \n" ); document.write( "a + b + c + d + e + f = 30 \n" ); document.write( "------------------------------- \n" ); document.write( "a-c = 1 \n" ); document.write( "b-d = -1 \n" ); document.write( "c-e = 1 \n" ); document.write( "d-f = -1 \n" ); document.write( "a-b-c = 0 \n" ); document.write( "a + b + c + d + e + f = 30 \n" ); document.write( "----------------------------------- \n" ); document.write( "You have 6 equations with 6 unknowns:: \n" ); document.write( "a.....b.....c.....d.....e.....f....# \n" ); document.write( "1.....0....-1.....0.....0.....0.....1 \n" ); document.write( "0.....1.....0....-1.....0.....0....-1 \n" ); document.write( "0.....0.....1.....0....-1.....0.....1 \n" ); document.write( "0.....0.....0.....1.....0....-1....-1 \n" ); document.write( "1....-1....-1.....0.....0.....0.....0 \n" ); document.write( "1.....1.....1.....1.....1.....1....30\r \n" ); document.write( "\n" ); document.write( "===================================== \n" ); document.write( "I used a matrix method on my TI-84 to get: \n" ); document.write( "------------------------------ \n" ); document.write( "Ans:: 918273 \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------------- \n" ); document.write( " |