What are the methods of solving such tasks?
For example:
$$ \begin{cases} x^2+y-z=100\\ y^2+x-z=124 \end{cases} $$
What first?
What are the methods of solving such tasks?
For example:
$$ \begin{cases} x^2+y-z=100\\ y^2+x-z=124 \end{cases} $$
What first?
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