the two numbers whose sum is 9. if 27 is added to the number the digits are reversed . find the number
the two numbers whose sum is 9. if 27 is added to the number the digits are reversed . find the number
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acc to question
y+x=9 ..1
10y+x+27=10x+y
9x-9y=27 ..2
from 1 and 2
x=6
y=3
and the no is 36
sum of numbers=x+y=9_a
according to question-
10*x+y+27=10*y+x
9x-9y=-27
x-y=-3 _b
by solving eq a and b,we get x=3 and y=6
the number be=36