Respuesta:
y=2 x=1
Explicación paso a paso:
[tex]x + 3y = 7 \\ 2x - y = 0 \\ 2x = y \\ x = \frac{y}{2} \\ x + 3y = 7 \\ \frac{y}{2} + 3y = 7 \\ \frac{y}{2} + \frac{6y}{2} = 7 \\ \frac{7y}{2} = 7 \\ 7y = 2 \times 7 \\ 7y = 14 \\ y = \frac{14}{7} = 2 \\ y = 2[/tex]
[tex]x + 3y = 7 \\ x + 3 \times 2 = 7 \\ x + 6 = 7 \\ x = 7 - 6 \\ x = 1[/tex]
[tex]x + 3y = 7 \\ 1 + 3 \times 2 = 1 + 6 = 7 \\ 2x - y = 0 \\ 2 \times 1 - 2 = 2 - 2 = 0[/tex]
Espero te sirva
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Respuesta:
y=2 x=1
Explicación paso a paso:
[tex]x + 3y = 7 \\ 2x - y = 0 \\ 2x = y \\ x = \frac{y}{2} \\ x + 3y = 7 \\ \frac{y}{2} + 3y = 7 \\ \frac{y}{2} + \frac{6y}{2} = 7 \\ \frac{7y}{2} = 7 \\ 7y = 2 \times 7 \\ 7y = 14 \\ y = \frac{14}{7} = 2 \\ y = 2[/tex]
[tex]x + 3y = 7 \\ x + 3 \times 2 = 7 \\ x + 6 = 7 \\ x = 7 - 6 \\ x = 1[/tex]
[tex]x + 3y = 7 \\ 1 + 3 \times 2 = 1 + 6 = 7 \\ 2x - y = 0 \\ 2 \times 1 - 2 = 2 - 2 = 0[/tex]
Espero te sirva