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The sum of a 2 digit # is 16. The original # is 18 less than the new #. What is the original #?
3 Answers
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- Marley KLv 71 decade agoFavorite Answer
Let the number = 10x + y
x + y = 16
oops . . . something's missing here! You don't say anything about what the new number is. Where does the "new number" come from? ;)
- Anonymous1 decade ago
x+y=16
x=y-18
y-18+y=16
2y-18=16
2y=34
y=17
x=17-18
x=-1 (original)
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