in a two digit number of sum of the two digits is 8 if 18 is added to the number its digits are reversed find the number
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Step-by-step explanation:
Any two digit number is in the form 10x+y
x+y=8...(1)
10x+y+18=10y+x
9x+18=9y
x-y=-2...(2)
from (1) and (2) we get x=3,y=5
so the number is 30+5=35
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