Question
At first, Isaac had 27 as many erasers as Robert. After Isaac bought another 18 erasers and Robert lost 5 erasers, Isaac had 25 as many erasers as Robert. Find the number of erasers Robert had at first.
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At first, Isaac had 27 as many erasers as Robert. After Isaac bought another 18 erasers and Robert lost 5 erasers, Isaac had 25 as many erasers as Robert. Find the number of erasers Robert had at first.