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MathNet 2008-part-05 — 164 problems (EN–VI) Question 43

Math Olympiad Vault · MathNet 2008-part-05 — 164 problems (EN–VI)

Question 43

Let $(x, y)$ be a pair of real numbers satisfying
$$
56 x + 33 y = \frac{-y}{x^{2} + y^{2}}, \quad \text{ and } \quad 33 x - 56 y = \frac{x}{x^{2} + y^{2}}
$$
Determine the value of $|x| + |y|$.