27-05-2024
Mathematics

contestada

1.
5x + 4y = 7
(3x-4y = 17
(2x + y = 5

2.
(2x + y =
= 8
6x - 8y = 4

3.
3x-4y
20
4y-
2
3x - 4y = 7

4.
6x-8y = 14

Respuesta :

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