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Found: 2

Problem #PRU-109468

Problems Algebra and arithmetic Algebraic equations and systems of equations Algebraic equations and systems of equations (other)

Replace $a, b$ and $c$ with integers not equal to $1$ in the equality $(a y^{b})^{c} = - 64 y^{6}$ , so it would become an identity.

Problem #PRU-31282

Problems Algebra and arithmetic Algebraic equations and systems of equations Algebraic equations and systems of equations (other)

Solve the equation in integers $2 x + 5 y = x y - 1$ .