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HKIMO 2026 Grade 9 National Final (Heat) Set 05 Question 9

HKIMO · HKIMO 2026 Grade 9 National Final (Heat) Set 05

Question 9

Positive integers x,y satisfy $x+2y^2=54$, $2y+xy=30$, and $x+2y=14$. Find 2x+y.