Ejercicio 1
\[3x - y = -8x \atop 2x - 5y = 38x\]
\[x = \mathbf{?}, y = \mathbf{?}\]
\[x = \mathbf{?}, y = \mathbf{?}\]
Ejercicio 2
\[-5x + 5y = -60x \atop x + 5y = -48x\]
\[x = \mathbf{?}, y = \mathbf{?}\]
\[x = \mathbf{?}, y = \mathbf{?}\]
Ejercicio 3
\[5x - 3y = -48x \atop 2x + 2y = -16x\]
\[x = \mathbf{?}, y = \mathbf{?}\]
\[x = \mathbf{?}, y = \mathbf{?}\]
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