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Vesnalui [34]
2 years ago
9

-3x +y =12 -y + 9x =0 Método de Sustitución :v SDLG

Mathematics
1 answer:
zlopas [31]2 years ago
5 0

Answer:

it is 3

Step-by-step explanation:

3×3487+7+7+8+8+8++7+7

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