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MathNet 2017-part-01 — 176 problems (EN–VI) Question 127

Math Olympiad Vault · MathNet 2017-part-01 — 176 problems (EN–VI)

Question 127

Find all integer solutions of the system
$$
\left\{\begin{array}{l}
x z-2 y t=3 \\
x t+y z=1
\end{array}\right.
$$