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x^3+y+z=1 and cyclic, solve over R

Source: IMOC 2017 A3

August 12, 2021
algebrasystem of equations

Problem Statement

Solve the following system of equations: {x3+y+z=1x+y3+z=1x+y+z3=1\begin{cases} x^3+y+z=1\\ x+y^3+z=1\\ x+y+z^3=1\end{cases}