SOLUTION: i am 2 digit number the sum of my digits is 12 the difference between my digits is 4 i am?

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Question 679821: i am 2 digit number the sum of my digits is 12 the difference between my digits is 4 i am?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
i am 2 digit number the sum of my digits is 12 the difference between my digits is 4 i am?
let u=units digit
t=tens digit
u+t=12
u-t=4
add
2u=16
u=8
t=12-u=4
number=84