Explicación paso a paso:
[tex]2x + y = 8 \\ 3x - 2y = 15[/tex]
[tex]y = 8 - 2x \\ 3x - 2y = 15[/tex]
[tex]3x - 2(8 - 2x) = 15[/tex]
[tex]x = \frac{31}{7} [/tex]
[tex]y = 8 - 2 \times \frac{31}{7} [/tex]
[tex]y = - \frac{6}{7} [/tex]
[tex]2 \times \frac{31}{7} + ( - \frac{ 6}{7} ) = 8 \\ 3 \times \frac{31}{7} - 2 \times ( - \frac{6}{7} ) = 15[/tex]
[tex]8 = 8 \\ 15 = 15[/tex]
Espero que mis procedimiento te han servido
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Explicación paso a paso:
[tex]2x + y = 8 \\ 3x - 2y = 15[/tex]
[tex]y = 8 - 2x \\ 3x - 2y = 15[/tex]
[tex]3x - 2(8 - 2x) = 15[/tex]
[tex]x = \frac{31}{7} [/tex]
[tex]y = 8 - 2 \times \frac{31}{7} [/tex]
[tex]y = - \frac{6}{7} [/tex]
VERIFICAR
[tex]2 \times \frac{31}{7} + ( - \frac{ 6}{7} ) = 8 \\ 3 \times \frac{31}{7} - 2 \times ( - \frac{6}{7} ) = 15[/tex]
[tex]8 = 8 \\ 15 = 15[/tex]
RESPUESTA
[tex]x = \frac{31}{7} [/tex]
[tex]y = - \frac{6}{7} [/tex]
Espero que mis procedimiento te han servido