1. The number of solutions of the equation 2x + y = 40 where both x and y are positive integers and x






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  • By: anil on 05 May 2019 02.29 am
    y = 38 => x = 1 y = 36 => x = 2 ... ... y = 14 => x = 13 y = 12 => x = 14 => Cases from here are not valid as x > y. Hence, there are 13 solutions.
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