The sum of a two-digit number and the number obtained by interchanging its digit is
110. If the original number exceeds six times the sum of its digits by 4. find the original
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Answer:
Step-by-step explanation:
(10x+y) + (10y +x) = 110............(i)
10x+y = 6(x+y) + 4.....................(ii)
(i)
10x+y+10y+x=110
11x+11y=110 (divide the entire equation by 11)
x+y=10
(ii)
10x+y=6x+6y+4
4x = 5y + 4
4x-5y=4
by elimination method
(x+y = 10) 5
5x+5y = 50
4x-5y = 4......(ii) (subtract equation (i) from (ii) )
9x = 54
x = 6
since,
x + y = 10
y = 10-6
y=4
Orignal number is 64!
Hope this helps!
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