CAT 2023 Slot 3 QA · Question 22

Suppose $f (x, y)$ is a real-valued function such that $f (3 x + 2 y, 2 x - 5 y) = 19 x$ , for all real numbers $x$ and $y$ . The value of $x$ for which $f (x, 2 x) = 27$ , is

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