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Omni-MATH / Suppose that x and y are real numbers that satisfy the two equations: x²+3xy+y²=909 and 3x²+xy+3y²=1287. What is a possible value for x+y? · Discussion

Discussing Suppose that x and y are real numbers that satisfy the two equations: x²+3xy+y²=909 and 3x²+xy+3y²=1287. What is a possible value for x+y? · Omni-MATH

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