Ejercicio 1
\[x^2 - 2y = 50 \atop 2x + 5y = -23\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}, y = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 2
\[x^2 + 2y = -10 \atop -4x + 5y = -27\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}, y = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 3
\[x^2 + 3y = 31 \atop 4x + 2y = -16\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}, y = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 4
\[x^2 + 2y^2 = 24 \atop -3x - y = -10\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}, y = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 5
\[x^2 - 2y^2 = -41 \atop x + y = 2\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}, y = \boxed{\phantom{\rule{2em}{1.2em}}}\]
Ejercicio 6
\[x^2 - y^2 = 0 \atop -x - 3y = 8\]
\[x = \boxed{\phantom{\rule{2em}{1.2em}}}, y = \boxed{\phantom{\rule{2em}{1.2em}}}\]