Respuesta:
[tex] {x }^{2} + y = {2}^{2} + \frac{13}{2} = \\ 4 + \frac{13}{2} = \frac{8}{2} + \frac{13}{2} = \frac{21}{2} [/tex]
Explicación paso a paso:
[tex]x - 3 = - 1 \: \: \: \\ despeja \\ x = - 1 + 3 \\ x = 2 \\ reemplaza \\ 3x + 2y = 19 \\ 3 \times 2 + 2y = 19 \\ 6 + 2y = 19 \\ 2y = 19 - 6 \\ 2y = 13 \\ \\ y = \frac{13}{2} [/tex]
[tex]3x + 2y = 19 \\ 3 \times 2 + 2 \times \frac{13}{2} = 6 + \frac{26}{2} \\ = 6 + 13 = 19[/tex]
[tex]x - 3 = - 1 \\ 2 - 3 = - 1[/tex]
espero te sirva
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Respuesta:
[tex] {x }^{2} + y = {2}^{2} + \frac{13}{2} = \\ 4 + \frac{13}{2} = \frac{8}{2} + \frac{13}{2} = \frac{21}{2} [/tex]
Explicación paso a paso:
[tex]x - 3 = - 1 \: \: \: \\ despeja \\ x = - 1 + 3 \\ x = 2 \\ reemplaza \\ 3x + 2y = 19 \\ 3 \times 2 + 2y = 19 \\ 6 + 2y = 19 \\ 2y = 19 - 6 \\ 2y = 13 \\ \\ y = \frac{13}{2} [/tex]
[tex]3x + 2y = 19 \\ 3 \times 2 + 2 \times \frac{13}{2} = 6 + \frac{26}{2} \\ = 6 + 13 = 19[/tex]
[tex]x - 3 = - 1 \\ 2 - 3 = - 1[/tex]
espero te sirva