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27-06-2020
Mathematics

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e) 3x+y = 9
2x- 7 = 1

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Respuesta :

27-06-2020

Answer:

[tex]x = 4 \\ y = - 3[/tex]

[tex]2x = 8 \\ x = 8 \div 2 \\ x = 4 \\ 3x + 4 + y = \\ 12 + y = 9 \\ y = 9 - 12 \\ y = - 3[/tex]

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