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Mathematics, 20.09.2019 04:00 rue61

John is 5 years older than mary. in 10 years, twice john's age decreased by mary's age is 35 and john's age will be
twice mary's current age. find their ages now.
if x is mary's age now and yis john's age now, which system of equations could not be used to solve the problem?

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John is 5 years older than mary. in 10 years, twice john's age decreased by mary's age is 35 and joh...
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