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 #575646 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Probably a lot of ways to do this, Write an equation for each statement \n" ); document.write( ": \n" ); document.write( "FInd a 6digit # \n" ); document.write( "let the six digits be: a, b, c, d, e, f \n" ); document.write( ": \n" ); document.write( "in which the 1st digit is 1 more than the 3rd, \n" ); document.write( "a = c + 1 \n" ); document.write( "or \n" ); document.write( "c = a - 1 \n" ); document.write( ": \n" ); document.write( "the 2nd digit is 1 less than the 4th, \n" ); document.write( "b = d - 1 \n" ); document.write( ": \n" ); document.write( " the 5th digit is 1 less than the 3rd, \n" ); document.write( "e = c - 1 \n" ); document.write( "replace c with (a-1) \n" ); document.write( "e = a - 1 - 1 \n" ); document.write( "e = a - 2 \n" ); document.write( ": \n" ); document.write( " and the 6th digit is 1 more than the 4th. \n" ); document.write( "f = d + 1 \n" ); document.write( ": \n" ); document.write( " The sum of the 2nd and 3rd digit equals the 1st. \n" ); document.write( "b + c = a \n" ); document.write( "replace b with (d-1) \n" ); document.write( "d - 1 + c = a \n" ); document.write( "replace c with (a-1) \n" ); document.write( "d - 1 + a - 1 = a \n" ); document.write( "d - 2 = a - a \n" ); document.write( "d = 2 \n" ); document.write( "then we know f = d + 1, therefore \n" ); document.write( "f = 2 + 1 \n" ); document.write( "f = 3 \n" ); document.write( ": \n" ); document.write( " The sum of all digits is 30. \n" ); document.write( "a + b + c + d + e + f = 30 \n" ); document.write( "replace b+c with a and d with 2, replace f with 3 \n" ); document.write( "a + a + 2 + e + 3 = 30 \n" ); document.write( "2a + e = 30 - 2 = 3 \n" ); document.write( "2a + e = 25 \n" ); document.write( "replace e with (a-2) \n" ); document.write( "2a + a - 2 = 25 \n" ); document.write( "3a = 25 + 2 \n" ); document.write( "3a = 27 \n" ); document.write( "a = 27/3 \n" ); document.write( "a = 9 \n" ); document.write( "Now we know: 9 b c 2 e 3 \n" ); document.write( "find e using e = a - 2 \n" ); document.write( "e = 9 - 2 \n" ); document.write( "e = 7 \n" ); document.write( "find c using c = a - 1 \n" ); document.write( "c = 9 - 1 \n" ); document.write( "c = 8 \n" ); document.write( "Find b using the total being 30 \n" ); document.write( "9 + b + 8 + 2 + 7 + 3 = 30 \n" ); document.write( "b + 29 = 30 \n" ); document.write( "b = 1 \n" ); document.write( ": \n" ); document.write( "Our number then: 9 1 8 2 7 3 \n" ); document.write( " |