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The sum of the digits of a two-digit number is 8 and their difference is 6 if the value of the number is less than 50 what is the number?
Wiki User
∙ 15y ago
Let say that the number is xy, then
y + x = 8
y - x = 6 add both equations;
2y = 14 divide by 2 to both sides;
y = 7
7 + x = 8 substitute 7 for y to the first equation of the system, and subtract 7 to both sides;
x = 1
The number is 17.
Wiki User
∙ 15y ago
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