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# System of Equations with K

Pro Problems > Math > Algebra > Equations > Systems of Equations

## System of Equations with K

The following is a system of equations in x and y, with a constant K.

x + 2y = K

x - y = 2

If K is an integer between 20 and 25 inclusive, find all K such that the system has integer solutions.

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Problem by Mr. Twitchell

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