Explicación paso a paso:
[tex]1.x = 6 - 3y \\ 5 \times (6 - 3y) - 2y = 13 \\ 30 - 15y - 2y = 13 \\ - 17y = - 17 \\ y = 1 \\ \\ x = 6 - 3 \times 1 = 3 \\ \\ x = 3 \\ y = 1[/tex].
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Explicación paso a paso:
[tex]1.x = 6 - 3y \\ 5 \times (6 - 3y) - 2y = 13 \\ 30 - 15y - 2y = 13 \\ - 17y = - 17 \\ y = 1 \\ \\ x = 6 - 3 \times 1 = 3 \\ \\ x = 3 \\ y = 1[/tex].