Problema Solution
The Sum of the digits of a two-digit number is 14. The difference between the ten's digit and the unit's digit is 2. Find The number. [let t= ten's digit and u= unit's digit.]
Answer provided by our tutors
Let the digit at units place = x
and the digit at tens place = y
given
x+y = 14
y - x = 2
adding equaiton first and second gives us
2y = 16 => y = 8
x = 14 - y => 14 - 8 = 6
Number = 86