Respuesta:
[tex]2x + y = 3 \\ y = 3 - 2x \\ \\ \\ \\ y + x = 2 \\ y = 2 - x[/tex]
[tex]y = 3 - 2x \\ y = 2 - x \\ \\ 3 - 2x = 2 - x \\ - x = - 1 \\ x = 1[/tex]
[tex]y = 2 - x \\ y = 2 - 1 \\ y = 1[/tex]
[tex]e = x - y \\ e = 1 - 1 \\ e = 0[/tex]
Es la d) 0
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Respuesta:
[tex]2x + y = 3 \\ y = 3 - 2x \\ \\ \\ \\ y + x = 2 \\ y = 2 - x[/tex]
[tex]y = 3 - 2x \\ y = 2 - x \\ \\ 3 - 2x = 2 - x \\ - x = - 1 \\ x = 1[/tex]
[tex]y = 2 - x \\ y = 2 - 1 \\ y = 1[/tex]
[tex]e = x - y \\ e = 1 - 1 \\ e = 0[/tex]
Es la d) 0