If he takes the opposite number of his age and adds 40 and get 28 how old is he

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08-03-2017
Mathematics

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If he takes the opposite number of his age and adds 40 and get 28 how old is he

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nate1215 nate1215 · Answer 1 · 2017-03-08T05:36:49+01:00

nate1215 nate1215

08-03-2017

He would be 12 years old because:

28= x+ 40
-40. -40

-12= x
Since someone cannot be -12 years old, that is the opposite of his age therefore, he is 12

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