SOLUTION: the sum of the digits of a two-digit number is 13. the value of the number is 2 more than 7 times the units digit.

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Question 418999: the sum of the digits of a two-digit number is 13. the value of the number is 2 more than 7 times the units digit.
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Let the tens digit =
Let the units digit =
given:
(1)
(2)
-----------------
(2)
Multiply both sides of (1) by
and add the equations
(2)
(1)


and, since



The number is 58
check:
(2)


OK

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