Respuesta :

D is the answer, because seven minus X is his age this year and a year before that is last year. So the answer is X-8
AL2006
Right now, he is 7 less than he will be in 7 years, and 1 more than he was last year.

'x' is 7 more than he is right now, and 8 more than he was last year.

If 'x' is 8 more than he was last year, then he was  (x - 8) last year.

That's Choice-'D'.

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