SOLUTION: The two digits in a 2-digit number add up to 8. If the numbers are reversed the original number is reduced by 18. Write equations to represent the situation and use a suitable meth

Question 577216: The two digits in a 2-digit number add up to 8. If the numbers are reversed the original number is reduced by 18. Write equations to represent the situation and use a suitable method to find the original number?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = 10's digit
Let = unit's digit
given:
(1)
(2)
------------------------
(2)
(2)
(2)
---------------
Add equations (1) and (2)

and, since
(1)
(1)
(1)
The original number is 53
check:
(2)
(2)
(2)
(2)
OK
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